The only arched bridge made of stone on the entire Mississippi River.

A Perpetually Under construction Park.

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

This massive roadside mascot was the first version of the giant to illustrate his butt.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

Ever wanted to can Spam?

Half of a waterfall goes into the river while the other half seems to disappear.

A historical convent known for taking in bad luck babies left on its doorstep is now an upscale shopping center.

The most playful of the life-sized statues that make up Singapore's "People of the River."

Singapore's landscaping project is home to 18 incredible Supertrees.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

The hallucinogenic center of the ancient world.

This legendary city has been a tourist attraction for centuries.

This historical Netherlands fortress still bears the marks of its single siege.

Incredible labyrinth of man made caves.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

The oldest Jewish cemetery in Europe survived Hitler's Germany.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

Ruins of a German Castle on top of a towering stone pillar.

Carved fountains poignantly placed in parks and in front of special monuments.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

A rare example of World War I trenches from the British front.