A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Amsterdam's former hotspot for public executions and dissections.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

Museum preserving torture methods from the past.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The monumental home of Prussia’s eccentric "Cannon King."

Concerts, art, offices, and a café in what used to be Berlin's first crematorium.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

This alleyway was named to honor the memory of a beloved local dog.

East Nashville's oldest dive bar will bring you back to life with animal-style bar fare.

The grave of the 19th-century sea captain who coined the phrase "Old Glory" can be found in this quiet cemetery.

Feast on award-winning birria tacos from a food truck inside this neon robo-tiki bar.

This popular park is home to a sea serpent sculpture that now overshadows the twisted history of its creation.

This defunct, fortress-like prison has been the setting for several movies.

This award-winning men's bathroom was just too beautiful to not allow women to see.

Step into a pastel time capsule where candy is truly dandy.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

A toxic ghost town sitting atop a massive coal fire.

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

Famously misunderstood wonder of the ancient world

A giant Troll lurks under one of Seattle's oldest bridges.

A peculiarly shaped brass sculpture hidden in a courtyard in central Lviv