This 5,000-year-old tomb once had its own hinged door.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

Tour part of the Maginot Line bunker system built to defend France against a German invasion.

This museum in the small German city offers a unique glimpse into World War II history.

A folk-art cottage and hotel straight from a Slavic fairy tale.

A serene memorial that honors the adventurous spirits of climbers who lost their lives in the High Tatras.

A quirky monument to the 49th parallel in downtown Prešov, Slovakia.

Pay your respects to a country that only existed for a few weeks.

The second-largest Jewish temple in Bulgaria was deserted after World War II, seized by the communist government and then abandoned again.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

This famous archeological mystery may be an ancient example of movable type.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

Cretean quarry suggests real-life site for ancient Greek myth of the man-eating Minotaur in his labyrinth.

The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

1,500 Commonwealth servicemen of World War II are buried or commemorated in this cemetery.

This collection of artifacts represents one family's mission to record the horrors of World War II inflicted on their hometown.

Every spring, locals see the shadowy figures of a ghost army of slain Greek soldiers descend upon this ruined fort.

Once the largest rope factory in Greece, this abandoned plant now stands like a ghost of industry past.

Legends hold that these unusual rock formations were once a bridal party, or perhaps a group of hunters.

This architecturally eclectic early-20th century mosque was built as a place of worship for the Islamic followers of a Jewish messiah.

An arts and culture melting pot inside an old roadside inn from the Ottoman era.

A two thousand year old brothel uncovered in Northern Greece.

A little-known park with unusual, half-ruined structures and a mystical energy.

An abandoned Byzantine fortress and notorious prison.