Dave Pahl’s Hammer Museum is one of 49 roadside attractions nationwide featured in a new board game, “Zillionaires Road Trip USA.” The game is akin to Monopoly, as players “bid, bluff and buy up America’s legendary roadside attractions.” Other attractions include Alaska’s Igloo Hotel in Cantwell, London Bridge in Lake Havasu, Arizona, and Cadillac Ranch in Amarillo, Texas. The minimum bid on the Hammer Museum is $4 zillion, twice the value of the Igloo Hotel…