A collection of 100 brains preserved in jars on the UT campus.

A deadly ancient portal to the underworld.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

A genuine Little Shop of Horrors.

Medicinal spa created with the discharge from a geothermal energy plant.

Medical museum that houses most notably the taxidermied remains of Vladimir Demikhov's famous two-headed dog experiment.

A speakeasy takes on Chicago's drinking culture.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

Plundered and left asunder by grave robbers, this ancient necropolis has been painstakingly pieced back together.

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

The world's largest collection of witchcraft regalia.

A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.