Discover the Potomac River in Washington, D.C., and help protect the U.S. capital from other pirates aboard the Boomerang. The pirate ship is 54 feet in length and can hold up to 90 people. Kids can listen to music, snack on pirate booty and sneak a peak inside the treasure chest. Limbo, face painting, pirate games and more are also offered. Prices start from $20 per person and advance reservations are required.