Six Poseidon’s palace is way more intimidating than Mount Olympus. Probably because I’ve never lived here, never even seen it before. Also because it’s underwater, in an impossible-to-find cave, and surrounded by massive statues of sea monsters and trident-wielding mermen. I swear, all the extra security is wasted. Most people would take one look and turn tail for home. As I swim toward the palace, it’s not hard to locate the main entrance: a pair of silver doors that must be at least fifty feet tall and almost as wide. If Mount Olympus is a testament to marble and gold, Poseidon’s palace makes its statement in gray stone and silver. The palace looks like a mash-up of medieval castle and Victorian house, with towers and turrets and odd little statues and balconies everywhere. Now that

