Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Not one, not two, but three natural bridges remain in this captivating spot post-sinkhole.

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

Long-secret natural history museum, featuring the skull of a "Terror Bird."

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

The natural history museum displaying the British bird collections and dioramas of Edward Booth, free of charge.

This museum boasts the ninth-largest collection of insects in North America.

The extensive collection of an amateur naturalist.

A gargantuan crystal kingdom.

A strange history museum, with items accumulated by a pair of globe trotting spies.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

Three prestigious academic collections come together to create a world-class natural history museum.

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

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

A New England curiosity cabinet, one hundred years on.

A fake Transylvanian castle houses a cathedral of antlers.

A museum of unusual collections, mini-towns, and a half-dog, half-alligator.

Over 300 taxidermied animals in a Californian restaurant make for a taxidermist's dream and an animal lover's nightmare.

A rare view of a preserved Victorian science museum.

The Natural History Museum that time forgot.

A modern day curiosity cabinet.

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