The chaotic studio of one of the 20th century's most important artists has been preserved down to the dust.

The modern birthplace of Irish freedom.

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

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

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

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

The world's oldest bookshop still in operation.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

Tourists often confuse this beautifully ornate former cigarette factory for a mosque.

Germany's longest suspension rope bridge.

The last bastion of Roman presence north of the Alps looms over a German town.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

Twisted buildings adorn the banks of the Rhine river.

This futuristic German television spire is actually the world's largest digital clock.

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

Cold war icon and onetime "hole" in the iron curtain.

A towering monument to war, located on a beautifully peaceful hill.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

A large collection of ancient runestones decorates this university courtyard.

A rare rune stone dedicated to a woman.