Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

Natural sonic phenomenon comes with a grisly legend of murder and blood.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

This former rail stop in Utah was abandoned, repopulated by some nostalgic friends, and now is home to a single DIY aviator who lives in a hangar.

A quirky old tree covered in tokens, cans, and bottles of wishes.

A small oasis not far from downtown Moab.

The illuminated falls are a gem in North Cascades National Park.

Rustic natural hot springs in the deciduous rain forest.

For decades, this waterfall remained hidden because of an artificial dam.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

Deep scars on the earth left by the Ice Age.

The only freestanding table rock formation east of the Mississippi.

The longest navigable underground river in the United States is home to countless blind and albino animals.

The Iowa state contender for largest pan in the world oddly only comes in second or so.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

North Carolina's finest examples of Native American pictographs have survived for 5,000 years.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

Visit this playground of waterfalls, caves and sinkholes.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

A delightful park featuring homemade scale replicas of dinosaurs, tucked away in the Tennessee mountains.

The site of the Scopes Trial contains a small exhibit dedicated to the famous case.

Over a dozen Native American earth mounds dating back over 2,000 years dot this Tennessee archaeological park.

This giant slab of driftwood marks the beginning of the Winnemucca to the Sea Highway.