The only things left in this abandoned Latvian graveyard are a mysterious stone and a ghost story.

These crumbling Latvian forts make for some haunting seaside ruins.

A wooden replica of France's famous tower.

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

Legend has it that not even Stalin could pull down the 2015 European Tree of the Year.

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

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

3,000 market stands in five former Zeppelin hangars.

Historic slum of Tartu.

An intricate and amazing house built by architect Karl Junker.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

The oldest church in the Estonian capital is home to over 100 fantastical cemetery coats-of-arms.

This proud Teutonic warrior rises out of a German forest heralding a victory and measuring lightning.

No need to strap in for a “ride” on this walkable roller coaster.

This former steel and coal plant is now a neon-lit industrial fantasia.

An industrial relic is now one of Europe's most staggering art spaces.

This massive steel pyramid can be entered by a set of jagged steps that let visitors stand in its heart.

The Bauhaus-style former industrial complex is considered the world's most beautiful coal mine.

This monolithic slab of art metal crowns a German slag heap.

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

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

This unique Renaissance castle was turned into a home for Nazi occultism.

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

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