Art and a pun, all in one.

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

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

One of the world's heaviest musical instruments towers within a popular urban park.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

This curious sculpture represents the perseverance needed to take to the skies.

Tiny memorials honor individual victims of the Holocaust.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

The lasting remains of a bygone era of open-air meat markets.

A stone-filled garden in the heart of Edinburgh commemorates the father of modern geology.

This modern work of art was a refreshing addition to one of the oldest theatres in the city.

A single oak tree rises out of the waters of Loch Lomond.

Dedicated to one of the nation's worst engineering disasters.

A rare and unique example of an 18th-century door latch calls this restaurant home.

This painting of a beloved dog will be on display at the Scottish National Gallery at long as the museum exists.

Though the case is scorched and the buttons half-melted, this hardy handheld gaming device can still run a game of Tetris.

This historic castle was already in ruins by the 13th century.

This lurid German fountain plots the sad course of marriage from dating to death.

A museum that chronicles the history of the Nuremberg Trials for Nazi war criminals in the building where the trials were once held.

If you fly into Edinburgh Airport, it's possible to spot this prehistoric site without even getting off the plane.

An amazing model of a whale's jaw bone pays homage to the region's seafaring traditions.

This historic timepiece was a popular meeting place for romantic rendezvous in the 1960s.

This former school is now abandoned and a canvas for graffiti artists.