A naturally mummified 2,000-year-old man.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

Oldest building in California still in use.

Friction between grains of sand cause a curious "singing" sound.

Museum about life, death, and cannibalism in the Stone Age.

Mysterious tombstones thought to be remnants of Atlantis.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

Self-mummified monk who wears sunglasses and has become a gecko hatchery.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

Remarkably preserved body discovered in a peat bog.

Smoked mummies housed in mountainside caves.

Eighteen mummies have stood guard behind the altar of this tiny church since 1833.

This massive redwood tree has a hole in the base big enough to drive through.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

The final resting place for the remains of 143 Habsburg royalty.

Old Danish castle immortalized in Shakespeare's Hamlet.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

One of seven Jewish catacombs in Rome and one of only two open to the public.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

Largest lake in Great Britain measured by surface area.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

Rebuilt remains of a temple to Roman god Mithras.

Enormous lake at the bottom of a unique cave system.

Ancient human, animal, and geometric figures drawn in the earth.