Stalactites and stalagmites in a beautifully lit cave.

Renaissance villa and gardens complete with a tormented colossus.

Pompeii's less famous neighbor is still revealing her secrets.

The underground sanctuary of a mysterious ancient cult.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

An alchemist's "magic door" stands in the middle of a Roman park.

Architectureal fantasy quarter of Rome.

A submerged archeological park still holds the wonders of a Roman Sodom.

A 16th-century horror show built in a lovely Italian garden.

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

A pyramid commemorates the birthplace of James Buchanan, the 15th president of the United States

This massive sycamore tree has been labeled as one of the largest in the state.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

A rock maze opens up to a panoramic viewpoint at an abandoned mine full of ghost stories.

According to local myth this cemetery is half evil spirits, half good—split down the middle.

A retired firefighter created this contraption so he and his family wouldn't die if accidentally buried alive.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

Mysterious rocks that ring musically when struck.

A toxic ghost town sitting atop a massive coal fire.

A layered tribute to the work of mosaicist Isaiah Zagar.