A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.

Nature's biggest mammal swims in landlocked Oklahoma.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

One of England's most famous churches hides a pair of little known architectural treasures.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

The easternmost town in Alaska can only be accessed from Canada.

This might just be the TARDIS of bookstores.

Macabre astrological automaton clock dating to the late 1400s.

Tokyo’s only Vaudeville-cuckoo clock–steampunk-Victorian curio cabinet time piece.

This restaurant was removed from the famed sister ship of the Titanic and placed within a hotel.

World's first "penitentiary," meant to be humane, drove men insane.

A student driver's nightmare.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

A Gothic cathedral created from volcanic rocks.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

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