One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

A once grand hotel is being retaken by the wilderness it once capitalized on.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

The hallucinogenic center of the ancient world.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

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

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

Crumbling ruins mark the site of a couple's grisly murder in the woods.

One of the oldest living oak trees in the Southeast.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

A short hike into the mountainside forest reveals a decaying 1890s town.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

More than five miles of underground passageways.

A stealthy Apache hideaway that became the haunting site of a mass grave.

The longest living non-clonal organisms on Earth.

New Orleans' famous cemetery, located on the site of a former race track.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.