This giant boulder is pinched over a 1000-meter abyss by two mountains.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

An abandoned saucer-shaped monument in the Bulgarian mountains.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

The most alien-looking place on Earth.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

Less a museum than a bizarre fantasy world created by artists and engineers.

The trials and tribulations of marking Poe's grave.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The remains of the great moral philosopher reside in a university in London.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

London's smallest police station is barely the size of a phone booth.

The television series' iconic giant foot was borrowed from this classical painting.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

This luxury shopping lane has been protected by its own tiny police force for over a century.