This bell stars in a tragic love tale and is said to make wishes come true.

The last king of Poland was interred in this church nearly 200 years after his death.

Legend says this is actually a heartbroken prince waiting for his true love's kiss.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

A statue honors the children who fought Nazis in Poland.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

Gustave Eiffel's masterpiece until the Eiffel Tower was built.

Thousands of well-dressed mummies below a monastery.

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

Why a column on the entrance is inscribed with a verse from the Quran is one of Sicily's many mysteries.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

Five mysterious spheres in the wall of a church that puzzle Málaga’s locals.

This monumental neo-Renaissance tomb in Vyšehrad Cemetery is the final resting place for Czech cultural legends.

A beautifully preserved and hidden 16th-century alleyway, tucked behind an unassuming door.

The original shop where the iconic Belgian praline was invented.

A statue honoring the tragic heroine of a Spanish literary masterpiece.

A beer pipeline runs beneath Bruges.

A devastating booze inferno poured through the streets, claiming several victims who drank it.

This Moorish fortress has guarded Málaga from the slopes of Gibralfaro hill for nearly a thousand years.

The solemn exterior conceals an opulent interior of this 17th century church.