Arizona

Petrified Forest National Park - Crystal Forest Trail

Petrified Forest National Park - Giant Logs Trail

Colorado

Garden of the Gods

Rocky Mountain National Park - Alpine Ridge & Tundra Communities Trails

Florida

Britton Hill - Lakewood Park

Everglades National Park - Anhinga Trail

Everglades National Park - Pa-hay-okee Trail

Hickory Bluff Preserve

Kratzert Tract - Lake Monroe WMA

Long Key State Park - Golden Orb Trail

Ocala National Forest - Sinkholes Trail

Georgia

Fort Pulaski National Monument - Lighthouse Overlook Trail

Illinois

Matthiessen State Park

Midewin National Tallgrass Prairie

Indiana

Falls of the Ohio State Park

Indiana Dunes National Park 

Kansas

Mount Sunflower - Kansas Highpoint

Kentucky

Big Bone Lick State Historic Site

Michigan (Lower Peninsula)

Agnes Andrae Nature Preserve

Besser State Natural Area

Camp Pet-O-Se-Ga

Carp Creek Gorge

Fisherman's Island State Park - South Shore

Grass River Natural Area

Hartwick Pines State Park

Maybury State Park

McCune Nature Preserve

North Central Michigan College Nature Preserve

Ocqueoc Falls Scenic Site

Oden Island Nature Preserve

Oden State Fish Hatchery

Pickerel Lake Pathway

Seven Bridges Preserve

Sinkholes Pathway

Sleeping Bear Dunes National Lakeshore - Cottonwood Trail

Sleeping Bear Dunes National Lakeshore - Empire Bluff Trail

Sleeping Bear Dunes National Lakeshore - Pyramid Point

Sleepy Hollow Nature Preserve

Susan Creek Nature Preserve

Thorne Swift Nature Preserve

Michigan (Upper Peninsula)

Cut River Pathway

Round Island Point Nature Preserve

Tahquamenon Falls State Park - Lower Falls

Tahquamenon Falls State Park - Upper Falls

Minnesota

Pipestone National Monument

Mississippi

Woodall Mountain - Mississippi Highpoint

Nebraska

Panorama Point - Nebraska Highpoint

North Carolina

Barnett Knob Lookout

Black Balsam Knob

Cape Hatteras National Seashore - Buxton Woods Trail

Cape Hatteras National Seashore - Hammock Hills Trail

Carvers Creek State Park

Cemetery Loop Trail

Courthouse Falls & Creek

Cowee Bald Lookout

Craggy Pinnacle

DuPont State Forest - Rocky Ridge/Switchback Loop

Exercise Loop Trail

Fort Fisher State Recreation Area

Foster Creek Trail

Fryingpan Mountain

Panthertown Valley - Greenland Creek Falls

Headwaters State Forest - Graveley Falls

Joanna Bald Lookout

Lake Cherokee

Mayo River State Park

Moore Cove Waterfalls

Panther Top Mountain

Pickens Nose

Sunwall Trail

Tom's Spring Falls

Trace Ridge-Wash Creek Loop

Uwharrie National Forest - Little Long Mountain

Wayah Bald & Rufus Morgan Falls

Weymouth Woods-Sandhills Nature Preserve - Boyd Tract

Ohio

Kitty Todd Nature Preserve

Ontario (Canada)

Aubrey Falls

Hiawatha Highlands

Lake Superior Provincial Park - Agawa Bay Pictographs

Sault Ste. Marie Canal Trails

South Carolina

Cypress Gardens

Santee National Wildlife Refuge - Bluff Unit

Sassafras Mountain - South Carolina Highpoint

South Dakota

Badlands National Park - Notch Trail

Badlands National Park - Sage Creek Campground Hike

Wind Cave National Park - Rankin Ridge Trail

United States Virgin Islands

Hams Bluff Lighthouse - St. Croix

Utah

Arches National Park - Landscape Arch

Bryce Canyon National Park - Bristlecone Loop

Canyonlands National Park - Mesa Arch Trail 

Zion National Park - Canyon Overlook Trail

West Virginia

Dolly Sods Wilderness - Bear Rocks

Spruce Knob - West Virginia Highpoint

Wyoming

Yellowstone National Park - Black Sand Basin

Yellowstone National Park - Grand Canyon of the Yellowstone

Yellowstone National Park - Grand Prismatic Spring & Midway Geyser Basin

Yellowstone National Park - Lower Geyser Basin

Yellowstone National Park - Norris Geyser Basin

Yellowstone National Park - Old Faithful & Upper Geyser Basin