This cannonball embedded in the side of an Edinburgh house once served a surprisingly pedestrian purpose.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

A sweet symbol marks the place where torturous executions were once carried out.

The Scottish Reformation leader's grave was paved over and is now a parking lot.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Now home to a drinking establishment, this building has a macabre history.

Coney Island’s last surviving haunted ride.

Historic bar where the Singapore Sling cocktail was invented.

Experience the pivotal Civil War battle at this interactive museum.

The only building in Kazakhstan where symbols of sovereignty are collected under one roof.

This mosaic commemorates the oldest subway tunnel and station in the United States.

This historic house was the birthplace and childhood home of the 35th president of the United States.

This interactive museum celebrates the iconic arcade game.

A mountain pass used by Prohibition-era bootleggers to facilitate traffic into and out of Canada from Vermont.

This installation turns abstract economics into a stark, public spectacle.

Built in 1968, this arthouse has kept its movie-palace decor and has its own museum.

This mobile theater show highlights the story of Hershey through fun facts, unique stories, and plenty of candy samples.

Remember and reflect at this 9/11 memorial site.

The whole world is cooking in one Kissimmee parking lot.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

The remnants of an archaeological camp stand within Tikal National Park.

Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.

These roaring primates were considered a divine creature in the cosmology of the Maya.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.