Plan the day, then book the bed.127 attractions, with more on the way.

Two slot canyons on Navajo land — light beams in Upper from 11 AM, ladders in Lower

A mile deep, 18 miles wide, 277 miles long — the canyon that defined the West

Five turquoise waterfalls in Havasu Canyon — 10-mile hike from Hualapai Hilltop, 3-night minimum, lottery permits

A 270-degree Colorado River bend, 1,000 feet below the rim, four miles south of Page

91,000 acres of Sonoran Desert in two districts framing Tucson — the only national park named for a single species

Striated Navajo sandstone in Coyote Buttes North — 64 permits a day, 6.4-mile route, BLM lottery only

The Rock — America's most famous former federal prison, on its own island in San Francisco Bay, reached by ferry from Pier 33

1,200 acres in central San Diego, 17 museums, the 1915 Spanish Colonial Revival heart of the city

144 acres at the tip of Point Loma, the 1855 Old Point Loma Lighthouse, and the spot Juan Cabrillo first stepped onto the West Coast in 1542

Five islands, 145 endemic species, and the "Galapagos of North America" — a one-hour boat ride from Ventura

Lester Beach white sand, the Rubicon Point clarity that lets you see 100+ feet down, and the 7.4-mile Rubicon Trail to Emerald Bay

Peter Zumthor's 110,000-square-foot concrete bridge over Wilshire, just opened

3.4 million acres, 282 feet below sea level, the hottest place ever recorded on Earth — 134°F at Furnace Creek

Walt Disney's original 1955 park — eight themed lands, 50+ attractions, and Sleeping Beauty Castle on Main Street

The 1918 Pioneer Monument, a museum of the Donner Party and transcontinental railroad, and a swimming beach on Donner Lake outside Truckee

1,533 acres on Lake Tahoe's only bay — Vikingsholm castle, Fannette Island, and Eagle Falls in one fjord

San Francisco's northern waterfront — Pier 39's barking sea lions, clam chowder in sourdough, bay cruises, and Ghirardelli Square

San Francisco's International-Orange icon — a 1.7-mile walk or bike across the strait, free and open every day

Free admission, three domes, the best Hollywood Sign view in LA

A 2.4-mile gondola from South Lake Tahoe to a 9,123-foot observation deck — summer coaster, zip line, and Epic Discovery on the California–Nevada line

Nine 45-foot letters on Mount Lee since 1923 — the most famous billboard ever built, free to view 24/7

200-yard sand cove inside the 6,000-acre Matlahuayl Marine Reserve, with a year-round sea-lion rookery and seven sea caves

Seven miles of marine-protected Orange County coast — 30+ named coves, the 1918 Laguna Art Museum, and the 90-year-old Pageant of the Masters

22 miles long, 1,645 feet deep, 6,225 feet above sea level — the largest alpine lake in North America

133 acres in Griffith Park, 1,400 animals, one easy LA day

California's longest ski season — an 11,053-foot summit and 3,500 acres in the Eastern Sierra

A 9,738-foot summit hike above Emerald Bay — 9.6 miles round-trip past three alpine lakes for the best view on Lake Tahoe

Lift-served downhill mountain biking, a par-72 mountain golf course, and free Highlands Gondola rides above a walkable Truckee village

Two mountains, 6,000 acres, the 1960 Olympic stage — Lake Tahoe's biggest ski resort

139,000 acres of coast redwoods on California's far north coast — Hyperion stands 380 feet, the tallest tree on Earth

100 acres in Balboa Park, 3,700 animals, the original cageless open-habitat zoo since 1916

189 acres on Mission Bay, the original SeaWorld since 1964, and California's tallest dive coaster

Free admission, Richard Meier travertine, and a hilltop garden by Robert Irwin

A self-guided 5-mile float from Tahoe City to River Ranch — Lake Tahoe's only outlet river

A working movie studio, eight major rides, and the Studio Tour that started it all

1,001-foot aircraft carrier on Navy Pier, 30+ restored aircraft, the longest-serving U.S. Navy carrier of the 20th century

El Capitan, Half Dome, and the giant sequoias — 759,000 acres of granite and waterfall

Four mountains, 5,500+ acres, one ticket — Aspen Mountain, Highlands, Buttermilk, and Snowmass

The 2,250-foot Painted Wall, the steepest river drop in North America, and a canyon so narrow sunlight only reaches the bottom for 33 minutes a day at the Narrows

Five peaks, 187 trails, and the highest chairlift in North America at 12,998 feet

Free admission, 300-foot red sandstone fins framing Pikes Peak, and the most-visited city park in Colorado at 4.5 million visitors a year

The tallest dunes in North America at 750 feet, the seasonal Medano Creek surge flow, and an International Dark Sky Park backed by 13,000-foot Sangre de Cristo peaks

Two 14,000-foot peaks reflected in Maroon Lake — the most-photographed mountains in North America, accessed only by reservation shuttle from Aspen Highlands

5,000 archaeological sites and 600 cliff dwellings built into the alcoves between AD 1190 and 1300 — the first US national park created to protect human history

Sixty peaks above 12,000 feet, the highest paved through-road in America, and a single town between Denver and the alpine

5,317 acres, seven Back Bowls, and the largest single-mountain ski resort in Colorado

Smithsonian on the National Mall — Wright Flyer, Apollo 11 command module, Spirit of St. Louis, and free admission since 1976

Walt Disney World's 1998 zoological park — the 145-foot Tree of Life, Pandora's floating mountains, Avatar Flight of Passage, and Kilimanjaro Safaris through 110 acres of African savanna

Walt Disney World's 1989 movies-and-shows park — Star Wars: Galaxy's Edge, the 199-foot Tower of Terror, Slinky Dog Dash, Mickey & Minnie's Runaway Railway, and Fantasmic! nightly

Walt Disney World's 1982 future-and-world-cultures park — the 18-story Spaceship Earth geodesic sphere, an 11-pavilion World Showcase, and Luminous: The Symphony of Us nightly

1.5 million acres of subtropical wetland, the only place on Earth where alligators and crocodiles share water

113 miles of US-1 from Key Largo to Key West, 42 bridges, and the only living coral reef in the continental U.S.

Walt Disney World's flagship 1971 park — Cinderella Castle, six themed lands, 40+ attractions, and Happily Ever After fireworks nightly

Universal Orlando's 1990 working studio park — Diagon Alley with Hogwarts Express, Hollywood Rip Ride Rockit, Revenge of the Mummy, and the Bourne Stuntacular live show

Universal Orlando's 1999 themed-islands park — Hogsmeade Village and Hogwarts Castle, Hagrid's Magical Creatures Motorbike Adventure, the Hulk Coaster, the VelociCoaster, and Skull Island: Reign of Kong

300,000-year-old tuff cone, 0.8 miles to the summit, the postcard view of Waikiki

10,023-foot dormant volcano, sunrise above the clouds, and the bamboo forest at the bottom of the Pīpīwai Trail

Kauaʻi's north shore amphitheater — a two-mile crescent of sand backed by 4,000-foot green pali, with the pier from The Descendants at the eastern end

$25 entry, 400 fish species, and the only protected snorkel cove in Honolulu — closed Mondays and Tuesdays

Two of the world's most active volcanoes, 323,431 acres on the Big Island, and lava you can sometimes see glowing from the road

45-acre Marine Life Conservation District — West Maui's clearest snorkel cove in summer, North Pacific humpback front row in winter

1,200-foot lava remnant, 740-acre rainforest valley, and the 1790 battle that unified Hawaii

The only royal palace on US soil — and the room where Queen Liliʻuokalani was imprisoned for eight months

A quarter-mile half-moon of golden sand on Nawiliwili Bay in Lihue — break-wall-protected swimming and Kauaʻi's most reliable beginner surf

A 203-acre seabird sanctuary on Kauaʻi's northernmost point, anchored by the 1913 Daniel K. Inouye Kīlauea Lighthouse

50,000 attendees, 7,000 floating lanterns, one Memorial Day evening at Ala Moana Beach Park

Maui's wildest big beach — a mile and a half of undeveloped golden sand below the Puʻu Olaʻi cinder cone in Mākena State Park

Largest tropical aquarium in the Western Hemisphere, a 750,000-gallon Open Ocean tank, and the only 360° humpback whale dome in Hawaii

A half-submerged volcanic crescent, 250 fish species, and 150-foot underwater visibility

Sixteen miles of 4,000-foot sea cliffs on Kauaʻi's northwest shore, reachable only by foot, kayak, or helicopter

A 100-foot seawater geyser at Maui's northwest tip, plus the Heart-Shaped Rock 200 yards down the cliff

Free admission, the USS Arizona above her crew, and the moment America entered World War II

Kauaʻi's south shore family beach — a tombolo sandbar between two coves with year-round swimming, snorkeling, and basking Hawaiian monk seals

64.4 miles, 620 curves, 59 one-lane bridges, and a different waterfall every five minutes

Mile-2 Road to Hana stop — two waterfalls, three swimming holes, and the only working farm stand on the route

Maui's signature hike — 4.5 miles, 1,500 vertical feet, ridge-top views of three waterfall valleys

122 acres of black sand, lava tubes, sea arches, and Maui's largest heiau — the most-photographed stop on the Road to Hana

Two miles of imported sand, the world's first surf school, and free public access from sunrise to sunset

The 80-foot twin cascade on the Wailua River — Fantasy Island's opening shot, two minutes off Highway 583

The 'Grand Canyon of the Pacific' — a 14-mile, 3,600-foot-deep gash of red rock and green ridges on western Kauaʻi

445 acres, the Butter Cow since 1911, 70+ foods on a stick, and 1.1 million visitors over 11 August days

49,075 acres of granite coast on Mount Desert Island — Cadillac Mountain sunrise, 158 miles of trails, 45 miles of Rockefeller carriage roads

A 1959 Old West theme park near Ocean City — staged gunfights, can-can shows, a steam train, and a full water park on a 200-acre complex

65 miles of hooked peninsula, 40 miles of National Seashore, eight historic lighthouses, and the Mayflower's first landfall in 1620

96-square-mile island, 6 towns, the 1876 Flying Horses carousel, and Aquinnah's 140-foot red clay cliffs

5,850 skiable acres on Lone Peak — the country's biggest ski resort, 4,350-foot vertical, the Lone Peak Tram to 11,166-foot summit

77,180 acres, 13,063-foot Wheeler Peak, 5,000-year-old bristlecones, Lehman Caves, and Nevada's only glacier

726-foot Art Deco arch-gravity dam in Black Canyon — completed 1936, 17 generators, 4 million tons of concrete, 30 miles east of Las Vegas

Granite-cove beach with 70-foot lake clarity — kayak rentals, the Shakespeare amphitheater, and the busiest non-motorized launch on Tahoe

America's Most Beautiful Bikeway — 3 paved miles from Incline Village to Sand Harbor along Lake Tahoe's east shore

46,000 acres of Aztec sandstone fifty miles from Las Vegas — Nevada's oldest state park, since 1935

Powerboat & jet-ski rentals, the M.S. Dixie II paddlewheeler, and the south shore's only beach horseback rides

275 square miles of pure gypsum dunes — the largest gypsum dunefield on Earth, in the Tularosa Basin

1,454-foot Art Deco skyscraper at 34th and Fifth — 86th-floor open-air observatory, 102nd-floor enclosed deck, lit-tower spire visible from every borough

America's oldest state park — Maid of the Mist, Cave of the Winds, and 3,160 tons of water per second over Horseshoe Falls

Bartholdi's 305-foot copper colossus on Liberty Island — Bedloe's Star Fort pedestal, 354 steps to the crown, ferry from Battery Park

1,943 feet of impossibly blue water in a 7,700-year-old volcanic caldera — the deepest lake in the United States

Oregon's largest ski area — a 9,065-foot stratovolcano with 4,318 acres, 360-degree summit terrain, and 462" of annual snowfall

363 miles of public shoreline, 9 lighthouses, and Haystack Rock — the country's longest publicly accessible coastline

244,000 acres of eroded buttes and pinnacles, the world's richest Oligocene fossil bed, and the largest mixed-grass prairie in the U.S.

Four 60-foot granite presidents — Washington, Jefferson, Roosevelt, Lincoln — carved into the Black Hills between 1927 and 1941

America's most-visited national park — 522,000 acres of Appalachian wilderness across two states

66 acres of gardens on White Rock Lake — the spring Dallas Blooms tulip display, the fall pumpkin village, and the Rory Meyers Children's Adventure Garden

Sixteen rides built 1,130 feet out over the Gulf of Mexico — anchored by the Iron Shark roller coaster and a 100-foot Ferris wheel on Galveston's Seawall

Dallas's lit geodesic ball over downtown — the GeO-Deck observation level 470 feet up, with 360-degree skyline and prairie views

The Kennedy assassination told from the sniper's perch — the former Texas School Book Depository overlooking Dealey Plaza in downtown Dallas

76,679 acres outside Moab, more than 2,000 cataloged sandstone arches, and Delicate Arch — the freestanding 65-foot landmark on the Utah license plate

A natural amphitheater of pink-orange hoodoos at 8,000 feet — the largest collection of irregular rock columns on Earth

337,598 acres carved by the Colorado and Green Rivers — Mesa Arch sunrise, the 100-mile White Rim Road, and the Maze, Utah's most remote NPS unit

3,654 acres of Entrada hoodoos in central Utah — wander the goblin fields freely, IDA Gold-tier dark skies, and the Wild Horse slot canyon next door

1.87 million BLM acres in southern Utah — Lower Calf Creek Falls, Devils Garden hoodoos, and the slot canyons of Hole-in-the-Rock Road

91,696-acre Navajo Tribal Park on the Utah-Arizona line — the Mittens, John Ford's Point, and the 17-mile Valley Drive past the West's most cinematic skyline

The copper-clad Rio Tinto Center in the Salt Lake foothills — Utah's dinosaurs, a five-story Past Worlds gallery, and Great Salt Lake science

The largest ski resort in the United States — 7,300 acres, 41 lifts, ski-to-Main Street

The heart of Salt Lake City — the granite Salt Lake Temple, the domed Tabernacle, and 35 acres of gardens at the center of the grid

229 square miles of Navajo sandstone — Angels Landing, The Narrows, and the only mandatory shuttle in the NPS

Dale Chihuly's blown-glass masterworks at Seattle Center — eight galleries, a 100-foot Glasshouse sculpture, and a garden of glass beneath the Space Needle

236,381 acres around a 14,410-foot active stratovolcano — the fourth U.S. national park, established 1899, with 25 named glaciers and the 93-mile Wonderland Trail

504,654 acres, 312 glaciers — more than every U.S. park outside Alaska combined — and the 1,800-square-mile North Cascades Highway through Diablo Lake's turquoise water

Three ecosystems on one peninsula — Hoh Rainforest, Hurricane Ridge alpine, 73 miles of wild Pacific coast — designated 1938

57.3 sq mi saddlebag-shaped island, the largest in the San Juans — Mount Constitution at 2,409 ft is the highest point in the archipelago, all reached by Anacortes ferry

Seattle's 1907 public market — flying fish, the original Starbucks, the gum wall, and the neon clock over the Elliott Bay waterfront

605-foot Space Age icon at Seattle Center — observation deck at 520 ft, the Loupe rotating glass floor, Mount Rainier on the horizon

21 islands and 12 miles of mainland on Lake Superior — sandstone sea caves, eight historic lighthouses, and 69,540 acres of national lakeshore established 1970

310,000 acres in northwestern Wyoming — the 13,775-foot Grand Teton rises 7,000 feet above Jackson Hole, with 200+ miles of trails and the 25-mile Teton Park Road

4,139-foot vertical and the Aerial Tram to Rendezvous Peak — Corbet's Couloir, the Hobacks, and 459 inches of average snow

America's first national park — Old Faithful, Grand Prismatic, and a supervolcano caldera