Manatee Park

It's best to stop by Fort Myer's Manatee Park during the off-season (between November and March). That's because the park is a refuge for Florida Manatees, which are best observed when they gather at the park in the colder months. There are a handful of observation decks to see the animals up close, but you can also hop into a kayak and paddle out to spot them. You probably won't see manatees if you visit in summer, but you can enjoy the park's 16 acres in kayaks or on guided tours.

General admission to the park is free, but there are small fees for parking and kayak rental. According to most recent visitors, though, the incremental costs are worth it: "This park screams of value," says one TripAdvisor user. "It costs only $1 per hour to park. There are no other fees. … the park is interesting." After you've had your fill of wildlife, enjoy a picnic lunch on one of the many tables set up around the area.