Crosses of all shapes, sizes and colors litter the mountain, the site of a huge yearly Orthodox pilgrimage.

Real bones which are said to have belonged to a Polish dragon.

An underground city of salt.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

Order “Proletariat’s Cutlet” at this communist-themed restaurant allegedly once visited by Lenin.

Learn the fine art of making a centuries-old treat at this hands-on food museum.

Once a giant gingerbread factory, this space now hosts exhibits and workshops on the historic treat.

The traditional Polish croissant, folded 81 times into the shape of a horseshoe, is a legally protected cultural treat.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

A Japanese video game arcade hides in the back of a Swedish pool hall.

A man has revenged his true love's betrayal through tears and stone genitalia.

This grisly exhibit houses skeletons and weapons from a devastating 14th-century clash.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

It houses the remains of a 17th-century version of the Titanic.

The world's largest model of our planetary system.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

Located in an old church, this brewery produces a different kind of holy water.

A medieval setting reimagined into a unique art alley.

An underground nightclub helped spark a "Singing Revolution."

Relics from an era long gone, sit idle outside this Estonian museum.

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.