Down this Cracovian street resides a plaque with a stark message about the city's air pollution.

Remnants from a time before electricity.

The traditional Polish croissant, folded 81 times into the shape of a horseshoe, is a legally protected cultural treat.

According to a satirical conspiracy theory that persists today, this German city of 300,000 is a hoax invented by the CIA.

This 13th century Gothic brick castle is the largest in the world by surface area.

Every half hour the eye-rolling clock face sticks out its tongue to mock the good citizens of Koblenz.

This fountain of a little boy that spits on passersby at erratic intervals is a town icon.

A monumental golden thumb rises as an iconic homage to Nouveau Réalisme, bold in scale and unapologetic in spirit.

The abandoned ruins of a beautiful medieval castle just outside Barcelona.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

These fly sculptures are scattered around the city and represent the patron saint of Girona.

Kissing the ass of this stone lioness has become a rite of passage in the city of Girona.

Designed by Gustave Eiffel before his famed tower.

Built on the foundations of an ancient Roman villa, the unique architecture of this castle on the Catalan coast was used as a set for 'Game of Thrones.'

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

This statue stands in honor of Antoine de Saint-Exupéry, the French author of 'The Little Prince' and an aviation hero.

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

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

A saintly relic hidden in a Prague church basement.

According to local legend, the devil shattered this column after losing a bet.

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

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