Texas Hill Country

The emerald green swimming hole is fed by Hamilton Creek, which spills out over the limestone and creates a 50-foot waterfall. — Travel + Leisure

Visit Longhorn Cavern for an entirely different type of walk. This massive subterranean wonder will awe you while testing your knowledge of stalactites and stalagmites. — Travel + Leisure

Situated along the Pedernales River, Pedernales Falls State Park gets its name from its main attraction: the beautiful falls where you’ll find huge slabs of layered limestone — Time Out