This stream-carved gorge has inspired poets, hidden smugglers, and trained soldiers, all without losing its beauty.

This purpose-built dinosaur museum is shaped like a pterodactyl and holds fossils that were found in its very village.

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

The massive cave church of Cairo's Zabbaleen community is one of the largest Christian churches in the Middle East.

Ethiopia's "smoking mountain" is in one of the hottest regions on the planet and is home to two lava lakes.

Indents in the pavement are all that remain from a grisly death machine in Paris.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

A cave's rare beauty held a cavernous secret hidden underground.

Many cities have held the title, but Brazil snatched the crown from Chile in 2011.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

20-foot tall lamp mumbles Swedish to celebrate the holidays.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

On October 17, 1814, a 15-ft. wave of beer ran rampant through the streets of London.

A naturally mummified 2,000-year-old man.

A fiery crater has been burning in the Karakum Desert since 1971.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

Below a historic English market town lies a secret underground city complete with kitchens, laundries, storerooms, and an underground lake.

Asthmatic Charles Hyett's son built a fantastical garden for his father to convalesce in, alas it was too late.

An English cenotaph honoring an American feminist icon.

A 200-year-old prison that now houses a peculiar crime museum.