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

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

This home is decked out like a psychedelic explosion of colors and bowling balls.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

This former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

An abandoned stretch of highway, deteriorating next to the operational one.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

Become a prohibition rebel.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

An antiquated German apothecary on Chicago's North Side.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

This grand gothic brewery has been pumping out suds for over a hundred years.

A hotel and restaurant serving as the mecca of kitsch.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

San Francisco's newly reopened hands-on science museum.