Coral Gables Venetian Pool Coral Gables, FL Why It’s Cool: History is preserved at this 820,000-gallon man-made lagoon, carved from a coral rock quarry in 1924. The founding father of Coral Gables—George Merrick—designed the pool, which is surrounded by Venetian-style architecture and tropical foliage. Fed daily with springwater, it features two waterfalls, coral caves, even grottoes. Interesting Fact: It’s listed on the National Register of Historic Places.