(Courtesy Coral Castle)
See a hand-carved nine-ton gate, a Polaris telescope, the world's only sundial with seasons and more at the Coral Castle that Edward Leedskalnin built. No one knows how he excavated, carved and placed 1,100 tons of coral in the large open area. His creation has been compared to the Egyptian pyramids and Stonehenge. Su-Th 9 am-6 pm, F-Sa 9 am-7 pm. Adults (13-64) $18, seniors (65-plus) $15, children (7-12) $8, children under age 6 free.