Abandoned silver mine strewn with wrecked and twisted structures.

The world's largest military aircraft cemetery.

One of the few surviving "Wigwam"-themed motels.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

Come for the speed, leave in love with the desert.

An experimental, automotive replica of Stonehenge.

Mexican food and folk art.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

A cave's rare beauty held a cavernous secret hidden underground.

This replica of the Greek structure is in the heart of Nashville.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

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

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

The unbelievably opulent home built for an infamous newspaperman.

An astounding collection of medical specimens, including bits of President Lincoln.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

The highest bridge in America was built for an almost unnervingly small amount of money.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

A Saint Nicholas-themed ghost town in the Mojave desert.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.