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

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

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

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

The modern birthplace of Irish freedom.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Every half hour the eye-rolling clock face sticks out its tongue to mock the good citizens of Koblenz.

An Elvis superfan built Denmark's own version of Graceland.

Along this stretch of beach in Denmark resides several massive bastions of energy.

This antique farmhouse is one of Læsø's rare seaweed houses.

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

This huge industrial sculpture looks like a UFO and a factory had a baby.

Denmark's famous pseudo-hill.

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

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

Tiring of digging out the door to this church for every service, it was eventually abandoned to the sands.

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.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.