Certified guides introduce basic climbing skills on the ground before students with provided helmets and harnesses amble up outdoor cliffs

Photographers with flexible schedules teach students the basics of compact cameras during a one-hour introductory class

Two-hour yacht cruise wends past Coney Island and Jamaica Bay; guests sip on up to four adult libations and partake in hearty buffet brunch

A two-hour party cruise from Georgetown waterfront floats lively guests down Potomac with music, dancing, and full bar

Improv troupe riffs on dating, relationships and the risqué in R-rated Friday-night shows at a swank nightclub

The Washington Nationals' Class-A affiliate battles the Carolina Mudcats armed with the unfaltering swing of third baseman Justin Bloxom

Diesel train chugs through nine miles of pine trees and forest on round trip to New Hill and back in about 55 minutes

Instructors guide 7- to 8-person rafts on trip over Class I–IV rapids on scenic Menominee River, passing bald eagle nesting site

18-hole mini-golf course studded with windmills and loop-the-loop ramps, with walls adorned in jungle and underwater murals

Skaters strap on rental wheels and careen around an indoor rink to the rhythm of Top 40 hits and Disney tunes