This once-booming Gold Rush town is now home to a herd of feral donkeys.

The symbol was surreptitiously built into the river bank by German prisoners of war.

A museum dedicated to the alleged Roswell Incident.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

People of the Plum Bayou culture built these enormous mounds over 1,000 years ago.

The longest non-mortared wall in the country is one man's tribute to his displaced Yuchi ancestor's five-year journey to her homeland.

The pan man stands as a testament to the functionality of American cast iron cookware.

The seventh largest spring in the world.

A version of this picturesque mill has existed since the 1800s.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

See massive fossils that are over 200 million years old in northeastern Arizona.

A mysterious spirit totem at the edge of Navajo lands.

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

A wild west land agreement was etched right onto this historic Idaho stone.

The small town of Poulsbo in Washington state is the next best thing to the Kingdom of Norway.

Sweet or salty, super hot or mixed into beer, this is the holy land for all things licorice.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

These memorials built by an eccentric bachelor on the side of Interstate 5 cause both wonder and traffic accidents.

This abandoned motel doesn't welcome guests anymore, but decay and a creepy atmosphere still call it home.

This municipal playground was co-created by the father of one of the most playful characters ever.

One poet's handmade, anachronistic home.

Haunting and beautiful trees, doomed to die.

Hopeless romantics will swoon over the sweet story behind this bright and colorful home.

Every year, over 25,000 monarchs overwinter in Pacific Grove.