The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

A collection of relics from the Spiritualist Camp Chesterfield.

Rock-hewn monastery complex with hundreds of cave structures tucked away into the mountainside.

A beautiful mountaintop mausoleum devoted to a Montenegrin icon can't seem to make everyone happy.

World War II-era Nazi compound nestled in the Santa Monica hills.

Come for the speed, leave in love with the desert.

Over 120,000 curious objects that have shaped our modern world.

This simple apartment may have inspired some of the most important theories in the history of science.

A neolithic tomb converted into a tiny chapel.

When this Iron Age bog body was discovered in 1835, it was thought that she had died recently.

Relics of Australia's convict past, and a modern scene of unimaginable horror.

An emerald-green grotto just a short trip from Austin.

The Habsburgs' royal collections of art and wonders.

Site full of incredible prehistoric paintings and archeological findings.

Abandoned medieval hill town.

A swing to dangle you off the very edge.

This harsh mountain path was built as a strange attempt to improve the health of Turkmen citizens.

A huge Megalithic chamber tomb located behind a cafe.

Behind the pink curtain, Au Bonheur du Jour, an art gallery of erotic archives.

Commemoration of a sea voyage gone mysteriously wrong.

The homestead of American patriot John Adams.

The eccentric home of Estevão Silva da Conceição, known as the "Brazilian Gaudí."

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.