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

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

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

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

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A snapshot of the city's fascinating voodoo culture.

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

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

On the Oregon coast there is a natural hole that seems to be draining the sea.

Most-visited and most-photographed slot canyon in the American Southwest.

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

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

A terrific purveyor of natural history objects and curios.