Take the kids or the young at heart to one of Santa Clara’s best Halloween Haunts…. Great America theme park. This Northern California attraction is offering special entrance tickets to their annual Halloween Haunt packaged with hotel accommodations at The Plaza Suites Hotel located adjacent the park. The Plaza Suites Hotel offers newly remodeled upscale amenities in their two-room suites and is priced right for the season with weekend packages starting at $119.