URM meaning in General ?

The Unser Racing Museum, located in Albuquerque, New Mexico, U.S., is a non-profit museum celebrating the accomplishments of New Mexico's native racing family, the Unsers. The museum celebrates multiple generations of Unsers, from patriarch Jerry Unser, to Al Unser III and Mariana Unser as well.

Shaped like a steering wheel, the museum features multiple exhibits, and actual racecars driven by the Unsers. There is also a rotating exhibit, featuring a new racing aspect every few months.