On the Western Slope, you can now buckle up on the highest looping roller coaster in the United States. Defiance is the newest coaster that's opening up at Glenwood Caverns. It has the steepest ...

A roller coaster billed as the highest looping coaster in the United States that features a free-fall drop of more than 100 feet is now open. A roller coaster billed as the highest looping coaster in ...