Accessible only at low tide, the deserted island is dotted with World War II ruins.

A Scottish manor with a history of mysterious fires, magic, and eccentric tales

A giant pineapple, a symbol of hospitality, and an amazing vacation rental option.

The mystery of this small, brick pond eluded its possibly only investigator until his death.

Largest lake in Great Britain measured by surface area.

This Scottish bridge seems to compel dogs to leap to their death.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

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

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

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

Statue of death tucked in the University of Medicine courtyard.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Go inside to really appreciate this 500-year-old technological masterpiece.

A church of bones, decorated with 40,000 human skeletons.

Macabre astrological automaton clock dating to the late 1400s.

Cold war icon and onetime "hole" in the iron curtain.

The most visited, and possibly most controversial, museum in Germany.

Museum preserving torture methods from the past.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.