This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Inside a former cabaret, seven floors of erotic art.

An odd museum dedicated to French fakes.

Museum on French naval history, with magnificent figureheads, a historic diving suit, and a boat used by Napoleon.

Miles of man-made caves and tunnels are currently used for cultivating mushrooms.

Ghosts of France's colonial past.

Old vessels have been transformed into artistic canvases in this unusual cemetery.

Europe's largest community of crocodiles and alligators.

This frog-themed restaurant was frequented by Picasso, Saint-Exupéry, and more.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

This museum houses an imposing skeleton army comprised of creatures great and small.

A museum dedicated to Nantucket's legacy as the "graveyard of the Atlantic."

The whole of Maine's history with the salty little fish is packed into this tiny coastal museum.

This 1,700-pound edible sculpture is way better than your average chocolate mousse.

After giving up Michelin glamour for his Amish faith, one chef now makes stellar sausages in a small, off-the-grid shop.

Abandoned Italianate architecture on the coast of Maine.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

"Polynesia on the Plains."

This amazingly preserved Gold Rush town is a historian's dream.

When in Idaho, sleep in a giant potato.

Creek water that starts here has a 50/50 chance of ending up in the Atlantic or the Pacific.

One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.