Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

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

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

These mechanical goats first battled it out in the year 1551, all because of an overcooked deer.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

The fountain marks the area where hundreds of accused witches were burned at the stake.

The most loyal of little dogs, or a Victorian era publicity stunt?

The colorful stairs are made with marble from the world's major quarries.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

The statue of a legendary giant who carried Christ and shouldered the world's sins.

A stone marker and sculpture in the city of Riga stake a claim for the very first community Christmas tree.

The oldest housing complex in Riga is a mini timeline of architectural trends.

A black cat protests the City Guild in Riga's Old Town.

3,000 market stands in five former Zeppelin hangars.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

Northern Ireland's Brobdingnagian stepping stones.

A sweet symbol marks the place where torturous executions were once carried out.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

Climb inside an iron crystal magnified 165 billion times its normal size.

Four giant movable street lights decorate this modern Rotterdam square.

This large copper bolt represents the benchmark for measuring sea levels in most of Europe.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.