This Italian dam is covered in salt-hungry goats who manage to scale its almost vertical face.

A suspended garden, now gone, once hung in the middle of this abandoned church.

Local legend has it that an old, decaying staircase outside this cemetery is haunted by dozens of ghosts.

A fiery-red region of scooped out land still largely untouched by civilization, tourists or otherwise.

Recently restored menagerie of Victorian-era beasts.

A rustic house where intellectuals and investors tried to put an end to Cold War nuclear armament.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

This popular bar has been blurring the line between normal and edgy for more than 75 years.

The largest known medieval map of the world.

One of the best collections of antique printing machinery in the world.

The stately remains of Llywelyn the Great's mighty fortress.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Catacombs turned marketplace.

Mediterranean castle on a tiny Turkish island.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Mysterious rocks that ring musically when struck.

An ordinary pond with fish from out of this world.

This grave resides at the crossroad of three parishes.

In a long-dry lake bed, these groups of massive stone pillars bear a striking resemblance to clumps of everyone's favorite fungi.

A valley of unique erosion patterns lends to a view like nothing on Earth.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Housing the groundbreaking maps and globes of Gerard Mercator.

Oldest surviving example of a Dutch saltbox frame house in America.