[2] The building features a 90-foot (27 m) dome and was the second in the world to use a concrete sectional roof design (24 segments), the first being Seattle's Kingdome.

[3][4] The Yakima County government had been interested in building a multi-purpose sports and entertainment venue on the Central Washington State Fairgrounds since the 1970s and proposed a $15 million bond issue in 1980 to fund construction of a 14,000-seat indoor arena.

[6] A second attempt in 1985 was approved using $6.8 million in state funding and matches from local governments.

[1] The stadium's exterior was decorated in 1992 with a ring of 50,000 reflective tiles that comprise "Circle of Light", a public art installation designed by Richard C. Elliott; the ring's 24 sections include designs inspired by traditional Yakama baskets.

[13] On October 19, 2002, the Seattle SuperSonics played a National Basketball Association preseason game at the SunDome against the Denver Nuggets.