One of the oldest living oak trees in the Southeast.

Enormous lake at the bottom of a unique cave system.

The world's largest set of the ten commandments lay nestled in the heart of the Great Smoky Mountains.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

This structure among the trees was the result of divine inspiration.

The ghostly remains of an accidental sea.

Version of the French Riviera destroyed by the sea.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

A regular looking rock with an unbelievable history.

Explore 10 acres of environmental sculptures.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

A modern day curiosity cabinet.

French Time Capsule-19th Century home revealed to the public.

Skeletons, medical artifacts, and other obscure and precious treasures all displayed in a wooden pharmacist's cabinet.

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

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

Weird wax anatomical models reside here, as do other anatomical specimens.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

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

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.