The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

A turquoise lake within a volcanic crater.

It took over half a century but a Russian monument to a famous and tragic space pup finally stands in Moscow.

A patch of Philippines forest devoted to saving the lives of an emotionally sensitive species of googly-eyed primates.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

This locally-famous crevasse in New York State is icy all year round.

The largest underground church in Europe.

This curved Manhattan building was built to house the opulence of John D. Rockefeller's oil empire.

A mysterious stone embedded at the base of a historic Boston building.

The ancient remains of this natural fortress can still be found along the Silk Road looking surprisingly preserved.

Abandoned limestone cave was once a sacred place of worship.

This tiered waterfall is so pretty it may cause visitors to cry tears of their own.

Thousands of effigies of Buddha watch from caves set high above a legendary river, plus whiskey.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

A massive underwater sinkhole made famous by Jacques Cousteau.

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

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

This Italian-style temple replica has been threatening to fall off the Irish coast for hundreds of years.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

Once a strategically imperative naval base, portions of this Bermuda dock complex now serve cruise ships.

This decrepit abandoned building is made all the more eerie by its dark history.