London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

A cathedral resurrected from the ashes of one of Europe's greatest urban fires.

Pigduck of Turku.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

A subterranean house of worship carved right out of the bedrock.

Collection of nearly 500 concrete figures sculpted by the late Veijo Rönkkönen.

These Finnish rapids have been attracting tourists for over a hundred years and are now released with the push of a button.

Every summer, an open-air swimming pool appears at the base of a Finnish city's beloved winter attraction.

The church's remarkable frescoes incorporate Finnish artist Hugh Simberg's trademark themes of death and the supernatural.