A Monolithic Dome Gym at Thousand Oaks Thousand Oaks Ranch — It’s a Monolithic Dome retreat center with a semi-elliptical shape, a 143-foot diameter and a 45-foot height in Barry, Texas. Entryway — Each entryway has two large glass doors. Games — Oakdome’s main level features a spacious, open game area. Logo — The full-size basketball court carries the center’s logo. Oakdome — Built by the DFW Church of Christ Jesus in Carrollton, Texas, this retreat center includes the Oakdome gym. Basketball — It’s a favorite at Oakdome! A safe place — The church wanted a safe, secure summer camp for children. Let there be light! — Large windows allow natural light into Oakdome. Comforts of home — The gym includes bath, shower and locker rooms. Weight lifting equipment — Well-utilized space behind the gym’s walls houses weight lifting equipment. Secluded area — Oakdome sits in a quiet, secluded area. A peaceful place — Thousand Oaks encompasses 236 acres of gently rolling, wooded land with its own fresh water pool and creek.