Washington's iconic carousel has a nice piece of Civil Rights history.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Be(w)ar(e) the moat around this historic Czech castle.

When ecosystems collide in the arid Southwest.

The childhood home of one of Ohio's favorite sons, pilot and war hero Eddie Rickenbacker.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

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

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

Memorial to the lost dead of Gdansk, whose resting places were destroyed during World War II.

A beer pipeline runs beneath Bruges.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

Each time a baby is born in Ghent, these streetlights flash in silent celebration.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

A Museum of Psychiatry in a still-operating mental institution.

Christ's blood allegedly preserved in a Belgian town.

Sweden's "good old days" painstakingly re-created in a model village.