This disastrous New Jersey safari park saw animal attacks, escapes, and disease before being abandoned.

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

The abandoned personal amusement park of the King of Pop.

Medical museum featuring a number of excellent medical models.

4,000 monkeys used for medical testing on an island off of South Carolina.

Cows on a ranch are commonplace, scattered cow bones everywhere? Not so much.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

Home to the "Circus" trees created by Axel Erlandson.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Nursery with extensive collection of flesh-eating plants operated by the author of "The Savage Garden."

A tribute to the life and work of the beloved "Peanuts" cartoonist.

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

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