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Be prepared for an intense hiking experience as you start the Baker Trail. The trail originally extended from Aspinwall to Cook Forest State Park but has recently been expanded to include Allegheny National Forest. This 141-mile recreation trail features nine campsites but no signs. Those interested in hiking or backpacking either sections of or the entire trail should purchase a detailed trail-guide.

Visit what Travel + Leisure named one of "America’s Coolest City Parks" in 2011. Schenley Park borders the University of Pittsburgh and the Carnegie Mellon University campuses, and is filled with people taking advantage of the park’s 450 acres of trails, woods and attractions—from an ice rink in the winter to outdoor movies in the summer.

Take a plunge down 14 of the wettest, wackiest, wildest waterslides in the world at Sandcastle Water Park. Not up for heart-pounding thrills? Head to the lazy river, where you can enjoy a slow ride around the park, or relax in the world’s largest hot tub while the children play at Wet Willie's WaterWorks or splash in the Tad Pool. There's no shortage of water attractions at this park.