With over 10,000 lights, this engineering marvel lights up the city after dark.

A museum glorifying the life of Stalin, located in the city of his birth.

This neon lit Georgian cave claims to hold the boulder Prometheus was chained to.

A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.

A literally moving statue of stacked metal giants just continually trying (and failing) to find love.

Ancient rock-hewn town that witnessed key events of Georgian history.

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

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

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

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

Tiring of digging out the door to this church for every service, it was eventually abandoned to the sands.

An abandoned lighthouse awaits its destiny: being buried under shifting sand.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

This sublime architectural marvel is a rare example of an expressionist church.

Created as a "model concentration camp" to hide Nazi atrocities from the international community, this former camp-ghetto now holds a museum and memorial honoring the lives lost within.

Be(w)ar(e) the moat around this historic Czech castle.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

Underneath the city that invented pilsners are a series of historic tunnels that have been storing beer for centuries.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

These 17th-century mummies are no longer naturally preserved, but remain on display today.

The deepest sinkhole in Central Europe comes with a grisly tale and an unusual nickname: “The Stepmother Abyss.”

Mummified monks and the accidentally interred, in a 17th-century crypt.