Villas that once served as playgrounds for the rich now fall away in decay.

One of the most photographed buildings in a city known for its Modernista architecture is an abandoned squat.

This colorful statue welcomes visitors to a Barcelona park.

18th century anatomical amphitheater of the Royal College of Surgery of Barcelona.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

Turntable anonymously received orphans, alms, and groceries.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Week-long block party becomes a competition for the best decorated street.

Mountain where Jesus was first tempted by the Devil.

This semi-secret storybook hedge maze is also the oldest garden in the city.

Six rock shelters covered in abstract art created by ancient Ugandan tribes.

The burial ground of four Buganda monarchs was nearly destroyed by a devastating fire.

Dedicated to the "father of modern education," this museum documents the history of education in Czechia.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

One of the oldest, well-preserved water treatment facilities in all of Europe.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

A massive, abstract lookout tower providing a panoramic view of Prague.

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.

A series of playful yellow penguins share a serious message about the environment.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

This doorless 20th-century elevator doesn't stop or slow down.