Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

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

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

A Victorian mansion, painstakingly reproduced to appear just as the the Munster's family home did on TV.

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

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

This institution collects the history of burlesque dancing with a titillating collection of ephemera and pasties.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.