This historic toy museum brings a little whimsy to a city not usually remembered for such things.

A geothermal energy project gone wrong is fracturing the city's picturesque architecture.

This dizzying tower was built to better broadcast the 1980 Moscow Olympics.

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.

Spend your honeymoon where the Devil had his wedding.

A secluded art gallery hidden within the cellars beneath Tallinn’s medieval monastery.

A small island dotted with old, historic Finnish buildings.

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.

An alien church provides much needed silence in the midst of a Finland shopping center.

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

Architecturally stunning library serves as the hub of Finnish scholarly life and culture.

A sweet museum focused on beets.

The music is over at the Ballhaus Riviera Ballroom, but the ballroom remains in haunting disrepair.

Fall down the rabbit hole into a surreal journey of human consciousness "from ass to soul."

Visitors can explore the role of mysticism throughout the ages inside this interactive museum of magic.

The non-native bovine herd was brought in to help conserve these Berlin wetlands.

This sprawling Jewish cemetery is one of the largest in Europe.

This curious sculpture represents the perseverance needed to take to the skies.

The skeletal frame of a decommissioned gas-pumping station offers breathtaking views of greater Berlin.

This obscene artwork on the side of a newspaper office pokes fun at a rival paper's former editor-in-chief.

A portable, wooden replica (minus the hyphen) of Hamburg’s iconic crooked coffee shop.

Known simply as "The Hand," this famous public sculpture in Berlin was featured in a Depeche Mode music video.