A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

A small side chapel in Santa Fe's basilica is home to the oldest statute of the Virgin Mary in North America.

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

The notorious Wild West outlaw was raised in this unassuming abode.

The show's fictional Korean medical camp was created in the Santa Monica hills.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

A modern zoetrope on the New York City subway.

This innocent-looking townhome is actually a subway exit.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

During the holidays, a vintage subway train whisks New Yorkers back in time.

This centuries-old pueblo church houses the body of a Franciscan friar who is said to be a rare "incorruptible" corpse.

The most powerful laboratory radiation source in the world pulses with 1,000 times the electricity of a lightning bolt.

A museum devoted entirely to the rattlesnakes and snake-related art.

Crumbling remnants of what was once a booming town full of silver.

Wee (and not so wee) footprints that insects and reptiles of the Paleozoic Era left behind.

Seller of surplus nuclear research materials.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.