The cathedral of a controversial, conservative, schismatic sect that declared the Catholic Church heretical and founded its own succession of popes.

An abandoned tuberculosis hospital said to be haunted by the patients who died within its walls.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

The unique funeral practices of the Toraja can be seen here with graves carved into caves and hung off cliffs.

This Romanian village may have been drowned, but it is long from forgotten.

This castle was once the home of one of the most powerful women of the Renaissance.

Memorializing the bravery of one young woman facing the monster of her age.

A tower marking the spot where Yugoslavia began its resistance against the invading Nazis stands neglected, but not quite forgotten.

A magnificent menagerie of oddities, including taxidermy cryptids.

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

The building that houses this museum is as historic as its collection.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

An island off the coast of South Australia is home to the last purebred Ligurian bees.

This 15th-century Serbian Orthodox monastery also contained a school for illuminating manuscripts.

Kolkata’s only Portuguese church has a curious link with chickens.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

This former Nazi labor camp is now a poignant memorial, complete with giant Soviet-style monuments.

Tucked behind New Jersey's abandoned Gingerbread Castle lie the eerie ruins of a once-flourishing paper mill.

A modernist church in an ancient village.

This picturesque archeological site looks like it was pulled straight from a fantasy novel.