The video game-themed street art first popped up in the French city.

It's home to the antenna that received the first images of Neil Armstrong walking on the moon.

With a surface area of nearly 500 square meters, welcome to the world's largest paraboloidal dish solar concentrator.

This pioneer village is like a time capsule of 19th-century Australia.

Amidst medieval and baroque buildings, five human-sized gherkins stand tall.

The first thermometer made with the almost-universal temperature scale is backwards.

The second-largest collection of runic calendar staffs in Sweden.

A large collection of ancient runestones decorates this university courtyard.

The second oldest anatomical theater is housed in a museum of curiosities.

Home to three historic ships from the age of Vikings.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

This floating sculpture of ice is a poignant reminder of nature's power.

Abandoned for over a century, this chilling train tunnel is now a destination for ghost hunters.

This unique, full-sized copy of the Bayeux Tapestry sports a few modern additions, including underwear.

This medieval cathedral houses stained-glass windows featuring saints and pretzels.

A beautiful 1920s tower filled with local hidden gems.

The spot where three Protestant clergymen were burned at the stake during the reign of "Bloody Mary."

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

A charming beach town in Turkey captures all the colors of the rainbow.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

A series of three shiny letters mark the boundary of an old refuge for those being pursued by debt collectors.

The walls and streets of the ancient city are peppered with penises.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.