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

The beautiful baroque library of the Hapsburg empire.

Abstract monuments express sorrow and resilience at the site of a horrific massacre in Nazi-occupied Serbia.

A Serbian church lit by chandeliers made of weapons.

A museum dedicated to the former country.

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

France's most famous cemetery, with some of its most curious tombs.

A naturally mummified 2,000-year-old man.

Giant, friendly pelicans in Central London, the most unlikely of places.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.