Bohemian paradise covered in majestic forests.

Abandoned medieval hill town.

An abandoned Indian-inspired mansion.

The deserted remains of a luxury hotel turned hospital ward.

A centuries-old fortress city lies in ruin.

The site of the first battle of World War II.

This museum is rotten with a century of wax medical deformities.

Quaint, disturbing, and macabre objects are all on display at this intriguing collection of medical instruments from bygone eras.

Rare collection of medieval books under lock and key.

A 16th-century horror show built in a lovely Italian garden.

A 200-year-old prison that now houses a peculiar crime museum.

One of the world's oldest trees comes with a Welsh legend intertwining it with a spirit prophesying death.

This former Welsh metal factory is now a lovely abandoned relic but was once one of the industry's world leaders.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

Stuck in the middle of a modern Madrid city block are the remains of a 19th century sports complex.

A Franco-era dam flooded (almost) everyone out of this centuries-old Aragonese town.

This stream-carved gorge has inspired poets, hidden smugglers, and trained soldiers, all without losing its beauty.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

Don't be fooled by this fake medieval facade even if it is almost 300 years old.

The sign at the garden gate reads: "These Plants Can Kill."

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

The hottest place on the planet.