The resort on Thursday announced an $85 million, 75,000-square-foot expansion featuring a glass-enclosed waterpark with a retractable roof ... the Lost Lagoon Spa Pool and the Watering Hole ...

The expanded waterpark will feature three new waterslides, a large spa pool, a children's play ... be open year-round thanks to a huge retractable roof, which will provide cover from the elements.

Kalahari Resorts is undertaking an $85 million expansion, adding a 75,000-square-foot indoor waterpark.