This magnificent museum claims to house the cranium of a disciple and the skull of a pope.

Go surfing on this urban wave, "hacked" by local surfers.

Housed in an old church, this hunting museum holds a collection of mythical bird-rabbit creatures.

The only natural cave bath in all of Europe.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

The world’s first statue of the late Apple co-founder.

An architect transformed this abandoned cement factory into his castle-like workshop.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

What happens when you cross a mayor and a painter?

Outstanding, eerie frescoes and decorations fill this 19th-century monastery.

One of the largest mines in Bulgaria is now home to a vast museum more than 100 feet underground.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This grand manse has been transformed into a museum devoted to one of the founders of Fantastic Realism.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.