Capacity: Up to 280 guests for seated dinner, spanning the upper and lower rotunda; 500 guests for a cocktail reception

Availability: Seven days a week, 6:30 p.m. to 12:30 a.m.

Features: 9,000 square feet of event space within a two-level 65-foot rotunda, natural light from glass-domed ceiling, 346 seats in the Anheuser-Busch Theater and an outdoor patio leading out onto Zoo grounds.