In the summer, the area around this sculpture transforms into a vibrant concert venue.

This hidden collection of everyday objects illustrates life within communist Poland.

This extensive collection covers thousands of years of Polish military history.

One of the world's largest collections of medieval religious art.

This enormous 32-foot painting depicts Poland's greatest medieval battle in glorious detail.

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

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

Catch a scenic view of Warsaw's Old Town from the top of a centuries-old dumping ground.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

A statue honors the children who fought Nazis in Poland.

Atop this library is one of the most beautiful green spaces in Warsaw.

This cheeky restaurant has a serious devotion to lard sculptures.

A gorgeous, Gaudí-esque stairway constructed in the city of Istanbul by a prominent Jewish family.

Taking the subway here means doing so over a bridge located in the middle of an estuary.

A tiny park in the middle of some big power politics.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Ancient serpentine sacrifice holder that has stood the test of time.

Blending modern art with Baroque architecture, this wondrous mosaic grotto serves as the late artist's final creation.

Striking occult iconography on a medieval German church.

After this historic church was destroyed by World War II bombing, its blackened shell was left standing as a monument.

This gateway to subterranean Hanover plays jazz, pop and rock to surprised passersby.

A statue dedicated to the founders of communism.

A small burial ground honoring Native American veterans of the Revolutionary War.