Park Name	Location	Adventure Type	Activity	Description	Difficulty	Best Time to Visit
Yellowstone National Park	Wyoming, Montana, Idaho	Hiking	Mountains	Hiking to the top of Mount Washburn for panoramic views	Moderate	Summer
Yosemite National Park	California	Rock Climbing	El Capitan	Climbing the famous granite monolith	Challenging	Spring, Summer, Fall
Grand Canyon National Park	Arizona	Rafting	Colorado River	Rafting through the Grand Canyon rapids	Difficult	Spring, Summer
Zion National Park	Utah	Hiking	Angels Landing	Thrilling hike with steep drop-offs	Challenging	Spring, Fall
Banff National Park	Alberta, Canada	Skiing	Lake Louise	Skiing on the picturesque slopes	Moderate	Winter
Acadia National Park	Maine	Biking	Carriage Roads	Biking through scenic carriage roads	Easy	Summer, Fall
Great Smoky Mountains National Park	Tennessee, North Carolina	Wildlife Watching	Cades Cove	Viewing deer, wild turkeys, and black bears	Easy	Year-round
Nebraska National Forest	Nebraska	Camping	Sand Hills	Camping in vast sand hills with unique terrain	Easy	Spring, Fall
Denali National Park	Alaska	Wildlife Tours	Denali Mountain	Bus tours to see wildlife and Denali	Moderate	Summer
Joshua Tree National Park	California	Rock Climbing	Skull Rock	Climbing at iconic rock formations	Moderate	Fall, Spring
Everglades National Park	Florida	Kayaking	Florida Bay	Kayaking through mangroves and sawgrass	Easy	Winter, Spring
Arches National Park	Utah	Photography	Delicate Arch	Photographing stunning arches at sunset	Easy	Spring, Fall
Shenandoah National Park	Virginia	Hiking	Old Rag Mountain	Challenging hike with beautiful vistas	Difficult	Spring, Fall
Glacier National Park	Montana	Hiking	Grinnell Glacier	Backpacking to see stunning glacial landscapes	Difficult	Summer
Death Valley National Park	California, Nevada	Sightseeing	Badwater Basin	Visiting the lowest point in North America	Easy	Fall, Winter
Rocky Mountain National Park	Colorado	Climbing	Longs Peak	Summiting Colorado's highest peak	Difficult	Summer
Big Bend National Park	Texas	Rafting	Rio Grande	Rafting on the Mexico-US border	Moderate	Spring, Fall
Olympic National Park	Washington	Hiking	Hoh Rain Forest	Exploring lush rainforests and coastline	Moderate	Summer
Mount Rainier National Park	Washington	Hiking	Paradise	Hiking in wildflower meadows with views of Rainier	Easy	Summer
Glacier Bay National Park	Alaska	Cruise	Glacier Tours	Cruising among glaciers and wildlife	Easy	Summer
Canyonlands National Park	Utah	Off-Roading	Island in the Sky	Driving on rugged, scenic trails	Moderate	Spring, Fall
Capitol Reef National Park	Utah	Stargazing	Night Sky	Enjoying exceptional night skies and stargazing	Easy	Fall, Winter
Channel Islands National Park	California	Snorkeling	Anacapa Island	Snorkeling in crystal clear waters	Easy	Summer
Saguaro National Park	Arizona	Hiking	Cactus Forest	Hiking trails surrounded by iconic saguaro cacti	Easy	Fall, Spring
Redwood National Park	California	Hiking	Tall Trees	Walking among towering redwood trees	Easy	Year-round
Great Basin National Park	Nevada	Cave Exploring	Lehman Caves	Exploring fascinating limestone caves	Moderate	Summer
Badlands National Park	South Dakota	Hiking	Notch Trail	Hiking with dramatic geological formations	Moderate	Spring, Fall
Petrified Forest National Park	Arizona	Hiking	Blue Mesa	Exploring ancient petrified wood and vivid landscapes	Easy	Fall, Spring
Kings Canyon National Park	California	Hiking	Mist Falls	Hiking to beautiful waterfall vistas in the canyon	Moderate	Summer
Sequoia National Park	California	Sightseeing	Giant Forest	Viewing ancient giant sequoias	Easy	Summer
Salinas Pueblo Missions National Monument	New Mexico	Walking	Historic Sites	Exploring ancient Pueblo ruins	Easy	Year-round
Saguaro National Park	Arizona	Hiking	Mica View Trail	Hiking with views of the desert	Easy	Fall, Spring
Chiricahua National Monument	Arizona	Hiking	Echo Canyon	Unique rock formations and hiking trails	Moderate	Spring, Fall
New River Gorge National Park	West Virginia	Rock Climbing	New River Gorge	Climbing along the river gorge	Challenging	Spring, Summer
Pomontory State Park	Virginia	Swimming	Lake	Swimming and picnicking by the lake	Easy	Summer
Congaree National Park	South Carolina	Kayaking	Congaree River	Kayaking through ancient floodplain forest	Easy	Spring, Fall
Hot Springs National Park	Arkansas	Spa	Thermal Springs	Soaking in natural hot springs	Easy	Year-round
Carlsbad Caverns National Park	New Mexico	Caving	Big Room	Exploring massive underground chambers	Moderate	Year-round
Kenai Fjords National Park	Alaska	Kayaking	Resurrection Bay	Kayaking among glaciers and sea life	Moderate	Summer
Natchez Trace Parkway	Mississippi, Alabama, Tennessee	Driving	Historic Drive	Scenic driving through historic sites	Easy	Year-round
Joshua Tree National Park	California	Hiking	Hidden Valley	Easier hiking trails through unique landscapes	Easy	Fall, Spring
Custer State Park	South Dakota	Wildlife Viewing	Buffalo Roundup	Watching the annual buffalo roundup	Easy	Fall
Congaree National Park	South Carolina	Birding	Birdwatching	A hotspot for bird lovers	Easy	Spring, Fall
Killdeer Plains Wildlife Area	Ohio	Wildlife Watching	Migratory Birds	Viewing a variety of migratory birds	Easy	Spring, Fall
Assateague Island National Seashore	Maryland, Virginia	Beachcombing	Wild Horses	Seeing the famous wild horses on the beach	Easy	Summer
Point Reyes National Seashore	California	Whale Watching	Tomales Point	Viewing migrating whales from scenic cliffs	Moderate	Winter, Spring
Great Sand Dunes National Park	Colorado	Sandboarding	Sand Dunes	Sliding down the tallest dunes in North America	Moderate	Summer
Everglades National Park	Florida	Fishing	Florida Bay	Fishing in diverse ecosystems	Easy	Winter, Spring
Cuyahoga Valley National Park	Ohio	Biking	Towpath Trail	Biking along the historic canal	Easy	Summer, Fall
Wrangell-St. Elias National Park	Alaska	Backpacking	Root Glacier	Backpacking on glaciers with amazing scenery	Difficult	Summer
Everglades National Park	Florida	Airboat Tours	Mangroves	Tours through unique mangrove ecosystems	Easy	Year-round
Vicksburg National Military Park	Mississippi	Historical Tours	Civil War Sites	Exploring key Civil War battle sites	Easy	Year-round
Isle Royale National Park	Michigan	Kayaking	Rock Harbor	Kayaking to remote areas of the park	Moderate	Summer
Capitol Reef National Park	Utah	Canyoning	Waterpocket Fold	Canyoning adventures in unique terrain	Difficult	Spring, Fall
Guadalupe Mountains National Park	Texas	Hiking	Guadalupe Peak	Hiking to Texas' highest point	Difficult	Spring, Fall
Ozark National Scenic Riverways	Missouri	Canoeing	Current River	Canoeing in pristine waters with scenic views	Easy	Spring, Summer
Seneca Rocks	West Virginia	Climbing	Seneca Rocks	Rock climbing at renowned climbing destination	Challenging	Summer
Lassen Volcanic National Park	California	Hiking	Bumpass Hell	Hiking to bubbling mud pots and hot springs	Medium	Summer
Chattahoochee River National Recreation Area	Georgia	Kayaking	Chattahoochee River	Kayaking in urban riverside park	Easy	Spring, Summer