This exhibit allows visitors to wander through the interior of a replica Ice Age glacial cave.

This collection started by a Cornell professor once held more than 600 human brain specimens, including the one that belonged to its founder.

This art center is way beyond your average pumpkin-carving operation.

The curious underground history of keeping Paris clean.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

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

A haunting collection of the vanished and disappearing natural world.

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

Eighty million natural history specimens call this gargantuan museum home.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

The largest collection of medicinal plants in Australia is also home to a witch who will show you how to use them.

This museum/fur store is devoted to educating guests on how awful opossums can be.

You may recognize this beautiful grove within Kaitoke Regional Park as location of the house of Elrond.

A failed utopian experiment for British expats in the American South is now a Victorian village frozen in time.

An abandoned town is hidden in Great Smoky Mountains National Park.

More than five miles of underground passageways.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

Traditional Bedouin crafting has become an official tourist site and successful industry for its female craftspeople.

This family tattoo parlor has been inking religious pilgrims in the Middle East for 700 years.

The remnants of an archaeological camp stand within Tikal National Park.

Antoine de Saint-Exupéry's 1943 book shares a surprising connection with El Salvador.

Military artifacts from the Salvadoran Civil War are displayed in this small but notable museum.