Holiday at the Arboretum brings festive seasonal fun to the Dallas Arboretum and Botanical Garden in Dallas, with the garden's gorgeous grounds dressed up for the most wonderful time of the year. The Arboretum is a lush, sprawling garden right on White Rock Lake, and the holidays give it a whole new sparkle. Stroll the paths, take in the seasonal displays and soak up the cozy, cheerful atmosphere.