Biking Shark Valley in the Everglades, Florida
Spot alligators lurking on the water’s surface—or swerve around them sunning—on the 15-mile Tram Road trail that runs across the Everglades' vast prairie. It's a beautiful, sunny ride on a paved trail through the 50 mile-wide, 100 mile-long river of sawgrass, technically not a swamp but riddled with trickling rivulets nonetheless. Herons and egrets whoosh by, wood storks rustle, and anhingas spread their wings to dry in tree islands. Climb the observatory at the halfway point for a forever view of the Glades’ delicate eco-system; there are no sharks, but there are mosquitoes galore.