This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The celebrated eyesore created by starry-eyed sweethearts.

This demon atop the Notre-Dame de Paris looks utterly bored.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Where commuters walk through remnants of an ancient Greek necropolis.

The mummified relic of St. Antoninus.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

Two stone columns flank the grand Venice square, but there were supposed to be three.

A huge enchanting public park just outside the ancient walls of Rome.

The yawning maw of this pagan visage is said to bite off the hands of liars.

This replica of the Greek structure is in the heart of Nashville.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

On Hilton Head Island this bronze King of the Sea rules all things briny—and lets you know if you’re late for lunch.

The world's largest fire hydrant is supposedly tornado-proof.

One of the oldest living oak trees in the Southeast.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

An homage to everyone's favorite prehistoric cartoon family.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

A self-built castle made by a mysterious man.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

Bad farming practices caused this unnatural natural wonder.

A bizarre roadside attraction and the first instance of miniature golf in the world.