The 3,600-year-old archeological sensation is considered to be the oldest representation of the cosmos.

The largest brick bridge in the world.

On the highest peak in the Harz Mountains, science and the occult faced off in a failed attempt to turn a goat into a boy.

Metro station with a claim to rock n' roll fame.

Berlin's old airport.

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.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

A monument to the "father of modern warfare" Gustav II Adolf.

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

This small exhibition displays equipment and artifacts once belonging to the feared Stasi secret police.

An ancient neolithic tomb that only sees the sun twice a year.

Northern Ireland's Brobdingnagian stepping stones.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

The atmospheric road was never meant to be so creepy.

A hugely vast Irish landscape of barren rock that stretches for miles.

The oldest pub in Ireland may also be the oldest surviving bar in the entire world.