The biggest drug trafficking passage between Mexico and the U.S.

A small "palace" and museum made of, and devoted entirely, to salt.

A health museum containing a 27’’½-foot intestine.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

A popular swimming hole that hides one of America's most deadly diving spots.

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

A grove of colossal man-made flowers built to collect the sun's rays.

Life's work of sculptor Elisabet Ney remains preserved in her last studio.

One part antique store, one part curiosities hodge-podge.

Controversially claiming the title of world's biggest bass drum, UT's Big Bertha was once made radioactive by the Manhattan Project.

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

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

Turning night into day in Victorian-era Austin to thwart a serial killer.