Located in the heart of downtown Dallas, the GeO-Deck at Reunion Tower offers visitors the only indoor/outdoor observation deck in the city with unique views of Dallas and its surrounding communities from 470 feet in the air! As it is affectionately known by locals, ?The Ball? has been a staple of the Dallas skyline since 1978. Experience 360-degree panoramic views that lets you see for miles in any direction. Discover hidden gems, historic landmarks, museums and more. The GeO-Deck provides fun and adventure for all ages!Dallas CityPASS: Save 51% at Dallas? four best attractions. CityPASS ticket booklets are valid for 9-days. Cost: Adult $49; Child (3-12) $33. For more information and to purchase mobile tickets, visit https://www.citypass.com/dallas.