France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This stop on the Camino de Santiago stands high above the underwater ruins of a medieval town.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

Bold black and white motifs of life and death add a dramatic flair to this 17th-century crypt.

Mysterious face-like images that appeared within an Andalusian house are surrounded by legends of the paranormal.

Haunting monument to the German Jewish philosopher who died while fleeing fascism.

This abandoned naval battery stood at the ready as recently as the 1980s.

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

Wonderland replication in progress by one persistent man.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

The middle finger of modernity.

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

Remote ruins of a 2,400-year-old Iberian settlement.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

An architect transformed this abandoned cement factory into his castle-like workshop.

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.

Ancient catacombs form the foundation for this Rococo orgy of a church.

An honorary saint of the people, Maria Adelaide became an incorrupt corpse, the clothes intact, exhaling “a strong scent of roses.”

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.