It apparently wasn’t exciting enough for the Stratosphere folks to glue a roller coaster to the outside of this 1,000-foot tower, or top it with a free-fall ride that shoots you up in the air. Nooooo. They had to stick a big freakin’ teeter-totter 27 feet over the edge, 866 feet above the Strip, and shoot you to the end at 30 MPH without nothing but a small harness between you and a heart attack. The new X Scream ride is an eight-seater study in insanity that thrill-seekers can’t get enough of. It took a huge helicopter crane to haul the pieces up to the top, but you can ride in comfort in the Tower elevators. Once you’re strapped in, the floor around you drops away and the out-and-back, up-and-down gyrations are only matched by the amazing view of the Strip and surrounding Vegas Valley. The ride is open all year, but may be closed temporarily if the wind kicks up too much. X Scream at Stratosphere; (800) 998-6937; www.stratospherehotel.com