Mark Davis, the Las Vegas Raiders, and the construction of Allegiant Stadium made Las Vegas a destination sports city.

— The Al Davis Memorial Torch is 92 feet high and surrounded by a circular bar. It's an electronic torch “lit” before every Raiders home game.

The finished Al Davis Memorial Torch stands 93 feet tall and is the largest free-standing, 3D-printed structure in the world. The reinforced polycarbonate substructure is finished with 1,148 ...