A massive underwater sinkhole made famous by Jacques Cousteau.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

A monster in the plant world, up to 10 feet tall and smelling of death.

A Nesting Doll of Churches.

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

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Impossibly life-like natural history models created out of glass by a father and son.

The fairy tale castle of the "fairy-tale king."

A spectacular cave and a beguiling lake.