One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

A hip bar decorated with walls of golden skulls.

A crumbling hospital from the 1850s on Roosevelt Island.

A terrific purveyor of natural history objects and curios.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

This allegedly haunted 16th-century tower house-turned-museum exhibits thousands of spectacular objects.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

A 18th century graveyard and its astonishing cortege of macabre iconography.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

A secret door leads to this cozy dive that sells only “milk.”

The final resting place of one of the most important figures in the world of tea.

This waterfall is one of the most spectacular natural features in the Scottish Lowlands.

A 200-year-old collection of oddities and medical paraphernalia.

A pub that is literally in the middle of nowhere, but continues to do business.

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

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

The fountain marks the area where hundreds of accused witches were burned at the stake.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.