Elaborate tile work in this railway station tells the story of Portugal.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Padlocks cover this rickety footbridge with love.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

100 year tradition of fist fights, marked by marble footsteps.

Go inside to really appreciate this 500-year-old technological masterpiece.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

An underground city of salt.

A memorial to the murdered Jews of Kaunas.

Mysterious craters may have been home to an ancient cult.

Man-made mineral caves house massive bat colony.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

Lithuania's outdoor sculpture trail of wooden folk art.

Sculpture garden of religious statues made it through Soviet rule.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

Macabre astrological automaton clock dating to the late 1400s.