The largest whale museum in Europe allows visitors to walk among life-size giants.

This stunning concert hall has become a symbol of Iceland's national recovery.

This monument to one of the largest science fiction games of all time bears the names of hundreds of thousands of players.

Learn about Iceland's hidden folk at this school dedicated to the study of elves.

An encyclopedic collection of mammal penises.

This collection of unique liquids allows visitors to wander the waters of Iceland's glaciers.

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

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

The hidden lair of an alchemist rediscovered in a 2002 flood.

After an epic flood washed away its enslavers, this city has been part ghost town, part cultural wildcard for the past three centuries.

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

This historic mansion was built as a symbol of love between a husband and wife.

A temple devoted to inner esoteric mysteries located in a California commercial strip.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

Mysterious rocks that ring musically when struck.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

Huge masonic hall in Philadelphia with lavishly themed rooms.

The world's only three-story rotary jail is now a museum to a bizarre trend in prison design.

The mystery of the Putim Ossuary involves a tricorn hat.

Pennsylvania's own Roswell-style UFO mystery.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

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