The hidden lair of an alchemist rediscovered in a 2002 flood.

In legend, this ancient dolmen was said to have been created when a troll tried to destroy a church.

An old limestone mine transformed into a beautiful and unusual sculpture museum.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

This man-made mound monument was built out of soil from all across the Polish empire.

The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

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

Memorial to the lost dead of Gdansk, whose resting places were destroyed during World War II.

This 700-year-old structure is one of the most unique architectural and historic monuments in Gdańsk.

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

A miniature model of the iconic Stockholm department store.

Every Tuesday, students let off steam by screaming into the night air.

"Only the dead get off at Kymlinge."

The single richest source of elemental discoveries in the world.

Sweden's "good old days" painstakingly re-created in a model village.

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.

A hidden bathhouse in one of Stockholm's oldest and busiest neighborhoods is open to anyone who can find it.

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

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

Swedish skyscraper with a 90° twist.

Swedish mice can dine at the Nuts of Life restaurant or take a date to the amousement park.

This collection of 80 polarizing foods aims to challenge your subjective notions of repulsion.