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

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

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

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

This massive mural by famed pop-artist Keith Haring was hidden for almost 30 years until its 2018 rediscovery.

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

Modern art commemorates one of the first military actions of World War II.

This antique thermometer honors the creator of the first universal temperature scale.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

A striking public sculpture representing the period of martial law in Communist Poland.

The silly symbol for an underground protest group is now scattered around the city.

A memorial to the beloved brown bear that served in the Polish army during World War II.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

This man-made mound monument was built out of soil from all across the Polish empire.

The site of the first battle of World War II.

An underground city of salt.

An artificial date palm stands as a memorial to Warsaw's Jewish community.

Museum dedicated to "the man who moved the Earth."

Real bones which are said to have belonged to a Polish dragon.