Barton Springs Pool is known as the crown jewel of Austin. From high atop this aerial image shot from a drone provides a view of the crystal clear, emerald green waters of Barton Springs Pool, in the foreground Barton Creek, a free watering hole for those that like to bring their dogs or tip back a few beers or light up a joint and shun Austin’s horrific summer heat, and the majestic Austin skyline towering above Zilker Metropolitan Park.