A former imperial sea-fortress and Soviet prison.

This old and disused water tower has received a new life as an art gallery with a piano staircase.

An abandoned textile factory on the "island of crows" was home to Estonia's first workers' strike.

Hundreds of unusual wheel crosses poke above the earth in this small Estonian cemetery.

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

First point in the Struve Geodetic Arc, a 19th century undertaking to measure the Earth's size and shape.

Legend says lovers who hold hands while venturing along this stone jetty and kiss at the end will remain together forever.

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

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

A forest park outside Tallinn full of architectural and artistic curiosities.

This old Estonian mine has been kept like a sprawling time capsule of the local shale industry.

Tombstones buried in overgrown grass mark the deceased occupants of this abandoned graveyard.

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

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

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

This small Estonian hill is covered in hand-made twig crosses that are said to bring good luck.

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

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

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

Spend your honeymoon where the Devil had his wedding.

Man-made mineral caves house massive bat colony.

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

The gutted remains of this Estonian mansion are a monument to a tragic love.

A trio of giant wooden megaphones turn up nature's volume in this Estonian forest.