For anyone in NYC this Sunday, there will be a Brooklyn bike-based scavenger hunt from 12pm until 3pm, beginning at Grand Army Plaza, Brooklyn. It’s free, and prizes include bike goodies, Coney Island goodies, and Transportation Alternatives goodies. Team of up to 4 people! You need a bike, a digital camera, and a pen. To sign up, email bikebrooklynjune at gmail.com. Meet at Habana Outpost at 3pm for score tallying and mayhem, 757 Fulton St, Brooklyn, NY 11217. Grand Army Plaza photo from Brownstoner.com.