Before becoming a poet John Keats studied here to become a surgeon.

This life-size monument honors the legacy of a famous literary feline.

A 24-hour vending machine restocked daily with homemade full-sized pecan pies.

This French Canadian classic is a specialty of the oldest continually used church in Minneapolis.

Down this Cracovian street resides a plaque with a stark message about the city's air pollution.

Learn the fine art of making a centuries-old treat at this hands-on food museum.

A tree that defies gravity grows in an ancient ruin.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

Statue of death tucked in the University of Medicine courtyard.

Abandoned railway line circling the city of Paris.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

A glamorous hotel that once accommodated French resistance fighters and concentration camp survivors.

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

Saintly bones pressed into a wax effigy of a Catholic superstar.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

An underwater restaurant, surrounded by a coral reef.

The world's largest underwater restaurant is submerged off the southern tip of Norway.

Four-story slides send people whizzing through the math department at this Munich university.

South Korea's women of the sea have completely flipped their society's structure by becoming revered fisherwomen.

An eerie, derelict amusement park in Berlin.

Once the most densely populated place in the world, this island is now a ghost town.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

This magnificent, quirky home sits atop a literal gold mine in the middle of the Nevada desert.