This Boston medical museum features the skull of the famous medical case of Phineas Gage.

Medical and zoological curiosities for sale.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

New York's oldest magic store.

Try not to get slimed in Tribeca.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

A snapshot of the city's fascinating voodoo culture.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

World's first "penitentiary," meant to be humane, drove men insane.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A crumbling hospital from the 1850s on Roosevelt Island.

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

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

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

A psychedelic labyrinth on the San Francisco bay.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This Boy Scout retreat acted as "Friday the 13th"'s original Camp Crystal Lake.

All that's left of the quintessential "cabin in the woods."