A trio of hidden hot tubs takes advantage of Iceland's natural geothermal vents.

Staves, storm-calling, and of course, necropants.

Eighteen miniature death-scene dioramas.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

A spectacular cave and a beguiling lake.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

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

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A swing to dangle you off the very edge.

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

A church of bones, decorated with 40,000 human skeletons.

A curious cave church carved into the face of a cliff.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

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