A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

The middle finger of modernity.

Thousands of costumed dolls fill one of the world's creepiest museums.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

Drink wine handed out through a window as part of an age-old tradition.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

The largest and most famous wax anatomical collection anywhere in the world.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

The oldest operating pharmacy in the world features 800-year-old recipes.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

Sky ships, planes, and portraits left as unique tokens of hope and thankfulness.

This garden houses the remains of the ancient Greek port of Marseille.

Longest canal tunnel in the world, abandoned in the 1960s.

A medieval military street hidden beneath a charming French fishing village.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

This floating sculpture of ice is a poignant reminder of nature's power.

The painter of "The Scream" is laid to rest under a stoic bust of himself in the humble corner of an Oslo cemetery.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

Oslo's historic toboggan run has been letting thrill seekers slide from train stop to train stop for over a century.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Home to three historic ships from the age of Vikings.

Where NASA's satellites and rovers phone home.