From Click 2 Houston:
Kalahari Resorts & Conventions, a 223,000-square-foot indoor water park, is scheduled to open in Round Rock this year.
The resort is touted as “America’s Largest Indoor Water Park” and will also feature:
-1,000 guest rooms
-200,000-square-foot convention center
-80,000-square-foot adventure park
-3 acres of outdoor pools
-10,000 square feet of retail space
-Salon and spa
Story source: Click 2 Houston.