Instead of sermons, this church became home to millions of books.

This magical grotto is adorned with a complex pattern of native seashells, minerals, and fragments of colored glass.

This unusual 15th-century house of worship once catered to those who sought its healing properties.

A museum capturing one of the world's most famous classical composer's battle with hearing loss.

A mountaintop shrine-temple guarded by a horde of half-demon priests.

You can still walk across this beautiful medieval bridge in Andorra.

This place is the subject of local legends about a good witch and a Celtic God.

This gate served as a small lock-up jail in the 14th century.

This legendary dive bar boasts a collection of over 1,300 clown figurines.

Drink the 'Blood of Christ' in this Roman Catholic fever dream.

The cave of a 12th-century hermit is still visited and venerated today.

Local legend holds that if you can make it up this steep cobblestone stairway without taking a breath, you'll have wish come true.

A beautiful modern church dedicated to the teleporting patron saint of Andorra.

A memorial to an ill-fated Arctic expedition pursued by the U.S. Navy.

This mysterious pyramid is said to be part of a complex web of occult and Freemason symbols.

These 500-year-old frescoes depict the city in its glory days.

The walls of this village church are decorated by two unique religious works of art.

A former Victorian swimming pool is now a tranquil and secluded park.

A rebuilt Roman city that was once the largest Roman settlement in the region.

At this barrel organ museum, history and live concert keep Dutch street organ culture alive.

Explore the five senses depicted on this protruding Gothic window.

A museum dedicated to telling lies in service of the truth.

The oldest inn in England served brew to the crusaders.

This historic Amsterdam bar used to accept sailor's monkeys as payment.