Where: Six Flags Over Texas -- Arlington, TX (Also New England and Georgia)

When: Spring

Swinging is all about going higher, higher, higher. But if you could go 24 stories up as fast as a car, would you? SkyScreamer triple-dog dares you with an insanely high-stakes take on the humble swing set. So grab your BFF, strap in, and whirl around the towering 98-foot circle at 40mph. If you can hack it, peel your hands away from your face to take in the sweeping park views by day, all atwinkle at night.