See your city in a new light, or explore a different one, with these scavenger hunts from UrbanQuest that inspire you to "channel Sherlock Holmes," according to Lonely Planet. For $15, regularly $29, a team of up to four people can embark on a Quest in any of these 19 cities: Baltimore, Boston, Chicago, Cincinnati, Columbus, Indianapolis, Los Angeles, Louisville, Nashville, New York City, Orlando, Philadelphia, Portland, Princeton, San Diego, San Francisco, Seattle, Tampa or Washington D.C.