The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

Legend says this mysterious stone head belongs to a woman who was petrified by an alchemist.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Connecticut grave of the woman responsible for the Winchester Mystery House in California.

A dreamy mausoleum honors Persia's most famous poet.

A micro-communist utopia in Spain with no police, no mortgages and full employment.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

A sobering museum dedicated to landmines and the personnel working to remove them from Afghanistan.

This well held a sacred source of water supposedly unleashed from the barren rocks by a wizard-like archbishop.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

A haunting army of decomposing, moss-covered stuffed animals and dolls guard this swinging truss.

This Bronx apartment building is officially recognized as the birthplace of hip-hop.

Bacteria and algae give the salty water its bubblegum hue.

Part of the medieval watchtower is displayed in an otherwise ordinary parking garage.

A hidden tunnel of bones in one of Malta's oldest churches.

A bus with a butt and biceps to put Olympic athletes to shame.

A concrete plant shaped like four giant soldiers commemorates one of the most decisive battles of the Napoleonic Wars.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

The forest that inspired Winnie-the-Pooh's Hundred Acre Wood can be found outside London.

This professional clown's home is an outsider art wonderland.

This Great Depression-era creation was once known as the strangest house in the world.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

This quirky Korean eatery is built to resemble an equally quirky vintage camera.