The end of times arrives, at least for the fish in the O.C. Fisher Reservoir.

A stealthy Apache hideaway that became the haunting site of a mass grave.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

Not one, not two, but three natural bridges remain in this captivating spot post-sinkhole.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

An architectural oddity of six stories, accessed by graceful ramps.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

A whimsical tower with a spiral staircase, inspired by the Space Age and the Möbius strip.

Ruins of a 10th century church tucked away deep in a botanical garden.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

A strange house built only at night, with rumored mystic inspiration.

The remains of an encyclopedic sculpture garden later used as an internment camp.

A collection of 100 brains preserved in jars on the UT campus.

A basement full of treasures lies beneath this inn that has worn many hats throughout its 140+ years.

WWI hospital ship lost in a cyclone turns up on the coast of Fraser Island, where she remains rusted and forgotten.

This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

On Japan's Tashirojima Island, cats are king.

A collection of collections, including an anatomy museum, the “Cabinet of Physics of Alessandro Volta, a museum of natural history, mineral collection, and much much more...

A fantastic assortment of China's finest and most disturbing wares.

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

A whimsical bridge adorned with decorative dragons.

A huge stone pyramid built for fun.

This three-chambered cave is the only protected natural bat hibernaculum in Quebec.

The 953 windows undoubtedly make this the world's most beautiful screened porch.