Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

An emerald-green grotto just a short trip from Austin.

Frida Kahlo's childhood home, now a museum of her life and works.

Twelve natural mummies are displayed in the crypt of this former monastery school.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

A mysteriously dark cemetery monument fuels stories and legends galore.