Payson Athletic Center Payson Athletic Center — This Monolithic Dome was designed as a Multipurpose Educational Facility for Payson High School in Payson, Arizona. Open area — Administrators at Payson were impressed with the dome’s construction and floor plan. Four-sided scoreboard — It’s suspended from the dome’s ceiling that is 50 feet high. Super court — Dome features one competition court that splits into two practice courts, four coaches’ offices, two sets of boys’ and girls’ locker rooms and storage space. Seating — Payson’s new dome gymnasium seats 2,400 — four times more spectators than the school’s old gym. Basketball and more — The district uses the dome for its middle and high school basketball, volleyball and wrestling. Aerial view — This Monolithic Dome sports center has a diameter of 200 feet. Affordability — Built in 1996, the new sports complex cost about $2.8 million, as opposed to about $5 million for a comparable conventional building. Mongollon Rim — It can be seen just beyond the dome. Going round! — Most residents of Payson readily accepted the dome’s round shape.