This scented city oasis was a labor of love.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

Art museum based around the collections accumulated over 58 years by one eccentric thrift store owner.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

A piece of outsider public art accompanied by a strange urban legend.

A sculptor's dream castle turned fantastical ruin.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

These eerie outliers of the lightning bug family glow a mysterious blue color.

The largest drain hole in the world.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

This ancient Hawaiian henge may have been an early star chart.

A Japanese pilot crash-landed on this Hawaiian island after the Pearl Harbor attack and terrorized locals for a week.

A prehistoric landscape hidden in the cliffs of Maha'ulepu.

This blowhole is supposedly caused by a trapped monster.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

Submerged lava formations create incredible waterworks.

This former luxury resort in Kaua'i is now an abandoned relic.

A once-glowing grotto at the bottom of Waikapalae Wet Cave.

Dedicated to the unsung history of human waste.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

Museum dedicated to the terror regimes of Hungary.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.