The largest medical and anatomical collection in France lies hidden from the public.

A curious collection dedicated to human and animal anatomy and pathology.

Medical history with an amazing, if frighting, collection of wax diseases on display.

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

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

A unrivaled and rather horrifying collection of wax dermatological models.

The only remaining collection of flayed figures made by French "madman" Honoré Fragonard.

Jean Tinguely's bizarre monster sculpture is hidden deep in a forest.

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

Collection of antique taxidermy and natural specimens, near one of Paris's oldest flea markets.

Home to the "Rat King" of Nantes and other wonders of the natural world.

This fantastical icy castle is built anew every winter.

Queen of the waterlilies, so big and strong it can support the weight of a human.

400-year-old garden, restored to beauty.

These eclectic homes nestled into the cliffs of a Caribbean island were built entirely from scavenged materials.

The sign at the garden gate reads: "These Plants Can Kill."

Do these monsters look familiar? The gargoyles on this church are all from pop culture.