Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

The world's first permanently occupied mountain-top observatory continues to report on the stars.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Lone survivor from Custer's Last Stand forever preserved.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

Modern technology and live displays tell the story of the Pacific during WWII for the Internet generation.

Free public park and gardens filled with peacocks and peahens.

This failed condo development was reborn as a street art hub.

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

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

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

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

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

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

An extensive collection of ancient Egyptian artifacts and mummies.