Bored potato-guarding Nazis etched their thoughts onto a brick storage building in Copenhagen's Meatpacking District.

A museum in the building where Nazi Germany signed its surrender tells the story of World War II from the Soviet perspective.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

This ultra-modern wooden boardwalk turns the ocean into a swimming pool.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

This collection of 80 polarizing foods aims to challenge your subjective notions of repulsion.

Swedish mice can dine at the Nuts of Life restaurant or take a date to the amousement park.

Swedish skyscraper with a 90° twist.

This quarry filled with 65 million-year-old limestone is now home to a nature reserve.

One of the world's largest malls has been almost completely empty since its opening.

130 replicas of world wonders squeezed into just 118 acres of space.

The Greek island's old British cemetery feels like a forgotten garden.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

The highest cold-water geyser in the world.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

Once part of an ancient international harbor, it's now an all-you-can-eat shrimp buffet for flamingos and other water birds.

A 1970s resort city now stands abandoned, caught in the middle of a divided island.

Lithuania's outdoor sculpture trail of wooden folk art.

The patron saint of spinsters grasps a container of dried blood.

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

These blingy, baubled skeletons lie in glass boxes inside a baroque Bavarian church.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.