Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

The world's longest continuously running show has played at this small West End theater since 1974.

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

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

Baroque celebration of the end of the Great Plague of Vienna.

A Serbian church lit by chandeliers made of weapons.

This small bronze pyramid marks the center of Belgrade, but some say it is a Masonic symbol.

Memorial to the 89 children killed during the NATO bombing of Serbia.

This striking, historic hotel has major Wes Anderson movie energy.

The unusual sculptures are believed to be powerful political symbols.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

There must be a pun in this haystack somewhere...

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Montreal's colorful subway station shows its support of the local LGBT+ community.

Discover the taste of mold.

This building has two facades of clashing architectural designs.

This historic black and white monastery is one of Bulgaria's architectural jewels.

A vast Communist-era exhibition space in the Bulgarian capital.

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

Sofia's legislative center is continuously reinventing itself.

Underneath this Byzantinian church lies a necropolis filled with ancient tombs and the ruins of previous churches.