The site was formerly known as the Canyon Diablo Crater and fragments of the meteorite. The center of the crater is filled with 210–240 m (690–790 ft) of rubble lying above crater. bedrock. https://en.wikipedia.org/wiki/Meteor_Crater
Scientists estimate that the meteoroid was traveling at the speed of 71000 km/h upon impact. Upon hitting the ground an explosive force thousand times greater than the power of the Hiroshima atomic bomb. This is thought to have blocked the sunlight.
The museum takes an hour or so to walk through unless you are reading every article with great concentration. We walked around mostly viewing the photos before walking to the main attraction. There is a Subway connected to the attraction otherwise located 70 miles in the middle of nowhere.
Hours: Open Daily 8am-5pm
http://meteorcrater.com/
Interstate 40, Winslow, AZ 86047