This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Countless grotesque faces stare out from this eerie Prague art wall.

Macabre astrological automaton clock dating to the late 1400s.

Go surfing on this urban wave, "hacked" by local surfers.

A fearsome dragon clings to a corner of Munich's city hall.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Reminders of the Battle of Berlin still scar the railway.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

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

A rare tour of an aristocrat's private home reveals valuable 17th-century paintings from artists like Rembrandt.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

Tucked away in the forests of North Florida resides a 19th-century lighthouse.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

The site where Confederate president Jefferson Davis was defeated has been marked with a bust... that leaves that part out.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

The record holder for the world’s largest peach.

The lesser-known lost colony of Roanoke was a safe haven for formerly enslaved people during the Civil War.

A Nessie-like monster supposedly lurks in this lake.

Step back in time on this preserved 1800s farm.

The world's longest known cave system.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.