An abandoned colonial French prison notorious for its hellish conditions.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

Legend says this little-known stone circle is formed from people petrified as punishment for dancing on the Sabbath.

The monumental home of Prussia’s eccentric "Cannon King."

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

An Anglo-Saxon cross inscribed with possibly the oldest written work of English literature.

This Greek cinema was architecturally inspired by Mussolini's vision of a fascist Mediterranean utopia.

The main gates have been locked since 1745 and will remain so until the Stuart Dynasty returns to the throne.

A meandering boardwalk across the bogland leads to a "stairway to heaven" with sublime views.

This 14th century tower house was once the home of Irish poet W.B. Yeats.

An ancient Egyptian temple sits within a modern European museum.

The world's only bushplane museum captures the spirit of the early planes and pilots and their contributions to northern life in Canada.

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.

A hidden workshop for creating and restoring Papal mosaic masterpieces.

A long-abandoned provincial prison left to crumble in the frigid air of Ontario.

Images of neighbors past and present guard the streets of this charming alpine village.

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

This rocky spread has been squeezed up directly from the bowels of the earth.

An abandoned Victorian-era amusement park is rusting away amidst luxury houses.

A medieval church with largest and oldest collection of Renaissance frescoes in France.

This strange statue features a bust of the famous composer plopped atop a woman's body.

Deep in a Polish forest, this collection of Iron Age megaliths still holds onto many of its ancient secrets.

A tall karst islet popularized by 007.