Maintaining 3:1 student-to-teacher ratio, instructors furnish surfers with board & wetsuit before demonstrating surfing basics

Inflatable playground invites kids to leap, tumble & expend energy at open bounces & two-hour private birthday parties for up to 25 guests

Bingo hall uses computers instead of traditional boards & chips for games held six days per week

Paranormal researchers lead groups through historic Booth House to solve murder mystery of young woman in 1912, followed by hot dinner

Scenic tours past historic state capitol & naval academy & through harbor & historic Eastport with snacks & gear provided

33.5-foot catamaran, whose captain lives aboard full-time, ferries passengers through Miami- or Florida Keys-area waters on 3-hour jaunts

JetLev jetpack blasts hundreds of gallons of water to elevate pilots over lakes or seas

Players snipe each other on indoor or outdoor inflatable or wooden obstacle-littered fields at refereed all-day weekend open-play session

Guides perch customers atop segways for one-hour tour of downtown Grand Rapids' shops, museums, Calder sculpture & fish ladder

Tethered to an experienced instructor, skydivers freefall at 120 miles per hour before floating to earth & earning a souvenir T-shirt