This enormous censer uses a pulley system installed over 400 years ago.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Home to three historic ships from the age of Vikings.

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

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

Digger attempting to hide itself under 300 tons of rubble.

This remote island, home to the easternmost point in Denmark, once hosted pirates and a military fortress.

A small Denmark town displays a pair of titanic jaw bones as their community symbol.

A symbol for the opposition to nuclear power around the world.

Generations have refused to move this doll from its dusty resting place to preserve a castle from a watery fate.

Denmark's famous pseudo-hill.

Dozens of musicians have planted trees in this Danish park, and donated songs to go with them.

Remnants of the Nazis' occupation of Denmark linger along the sand.

Denmark’s never-ending bridge.

Nordic giants resurrected from the sea and restored to their former greatness.

Mounds, rune stones, and a 1,000-year-old church, left behind by Denmark's first two kings.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

Preserved "bog person" that is over 2,000 years old.

Four alabaster giants contemplate the tides on the shore of Denmark.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

Iron Age "bog person" preserved for over 2,300 years.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.