This chimerical bridge/tunnel appears to dead end right into the sea.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

A striking symbol of the Bulgarian capital.

Once part of an ancient international harbor, it's now an all-you-can-eat shrimp buffet for flamingos and other water birds.

Legend says this sacred tree was a gift from goddess Athena.

Gladiators once walked this ancient, subterranean passage.

The memorial stands at the intersection of the rivers Morava and Danube.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Go surfing on this urban wave, "hacked" by local surfers.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

Climb inside an iron crystal magnified 165 billion times its normal size.

The world's first and only escalator for lazy bicycles and their daunted riders.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

A stunning architectural yet functional feat, towering over Oslo.

The heart of a Scottish legend had a centuries-long journey before reaching its final resting place.

Locals call it the "Give Peas a Chance" bridge because of its distinct graffiti.

The largest of only eight working transporter bridges left in the world.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

Dedicated to the legendary comedian Eric Morecambe depicting his iconic "Bring Me Sunshine" stance.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.