The Strat (formerly the Stratosphere) is a hotel and casino in Las Vegas, Nevada, United States. It includes a 1,149-foot-tall (350 m) observation tower, the tallest in the United States. It is also the second-tallest observation tower in the Western Hemisphere, surpassed only by the CN Tower in Toronto, Ontario. The top of the tower includes a revolving restaurant, lounges, observation decks, and several thrill rides.

From Wikipedia