Thanks to its heroic service during WWII this Soviet castle has been turned into a monument towered over by a brutalist titan.

A small museum in this border city displays the contraband art that has been stolen back from smugglers.

This rare collection of human deformities displays fetuses with two faces, one eye, and "mermaid" legs.

Remnants of the city's Soviet history hover over this modern fast-food outlet.

An underground nightclub helped spark a "Singing Revolution."

The secret cells in the basement of the KGB's Estonian "Grey House" have been preserved as a grim Cold War museum.

This striking memorial is one of Estonia’s most controversial Soviet leftovers.

A former imperial sea-fortress and Soviet prison.

Wars fought and wars won are remembered by these abandoned bunker ruins.

Two well-hidden huts let animal lovers spend the night among the bears, wolves, and other predators of the forest.

This Soviet-era "closed town" was a top secret uranium producer often left off of maps.

A decommissioned submarine base makes a great space for graffiti art.

Rusted cars, trucks, and buses form a fascinating collection of Soviet-era machinery.

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

This stoic bronze soldier stands as a symbol of Russian sacrifice or Soviet oppression, or maybe both.

This abandoned fighter jet launch center is now a haunting street racing course.

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

This soviet pilot's graveyard is filled with headstones made of airplane fins.

Abandoned Soviet base once stocked with short and medium range missiles pointed at western Europe.

This peculiar border irregularity is the only way to legally enter Russia without a visa.

Inside this medieval church resides a unique set of murals.

It's rumored this unique Baltic beacon was designed by Gustave Eiffel himself.

Its collection offers a glimpse into the Russian Old Believers' centuries-old way of life.

This atmospheric spot in Pärnu's historic old town is located in a 17th-century almshouse.