Indents in the pavement are all that remain from a grisly death machine in Paris.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

The Mysterious Witch Bonney, a haunted statue in an old industrial city.

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

New Orleans' famous cemetery, located on the site of a former race track.

The oldest university museum west of the Mississippi retains its 19th century feel.

A natural gas leak provides a flickering flame beneath a waterfall.

An unknown Hall of Fame in Jackson, Tennessee.

The world's longest known cave system.

Once one of the largest producers of pig iron in the world.

A man's home is his castle.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

An homage to everyone's favorite prehistoric cartoon family.

The subtle interplay of fire and water is hard to ignore at this remote Jamaican spring.

Australian Lake set aglow by Noctiluca Scintillans.

Tubing through a cave lit with glowworms is a magical underground experience.

A small "palace" and museum made of, and devoted entirely, to salt.

A Victorian mansion, painstakingly reproduced to appear just as the the Munster's family home did on TV.

The famous author's cottage hideaway.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

An old-timey wax exhibition campily depicting New Orleans legends and scandals.

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

Strange secondhand shop showcasing taxidermy and oddies

Astonishing collection of helmets, scientific instruments, and medical models.