A King Kong-like gorilla hangs from the top of this commercial building in Tokyo.

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.

A small alleyway lined with locally drawn scenes of nostalgic anime and cartoon characters.

Hundreds of people walk past this palm tree every day without spotting its secret.

For over 100 years the most important physicists in the world have autographed this university wall.

You can row a boat through this ancient underground reservoir.

The walls and streets of the ancient city are peppered with penises.

A nearly 25-foot concrete sculpture of Sylvette, Picasso's muse.

You won't find these curiously named passageways anywhere else in England.

A father's love for his son has weathered the test of time in this whimsical garden of outsider art.

The pile of books behind the dignified writer gave the statue a most undignified nickname.

Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.

This tiny islet has somehow housed an ancient temple, two monasteries, a church, a fortress, and a restaurant.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

Live data is transmitted from the Atlantic coast to instantly recreate the ocean waves in this fountain at the NOAA headquarters.

The sunlight passing through the opening of this huge cave system creates a magical effect.

A fantastical bed and breakfast with magically unique rooms.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

Under the desolate and windswept northern coast of Barbados stands a small oasis filled with sea anemones.

A memorial to the beloved brown bear that served in the Polish army during World War II.

This Vietnamese bar doubles as a multistory labyrinth.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.