"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

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

An abandoned dollhouse factory.

An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

Come stay at a live-in art installation.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

After a nearly successful attempt on Hitler's life, the conspirators met their fate in the courtyard of this Berlin building.

A portable, wooden replica (minus the hyphen) of Hamburg’s iconic crooked coffee shop.

A monument to the man who almost killed Hitler.

This conical hill was built as a testing ground for an engineer known as the Glider King.

Berlin's oldest surviving academic architecture hosted decades of animal dissections.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Art and a pun, all in one.

Started as a kitchen garden, now the second largest botanical garden in the world.

An eerie, derelict amusement park in Berlin.

A monument to the art of slicing people open.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Chicago's North Park Village was once the largest municipal sanatorium in the country.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.