I recently spent four days in Prague, and although I worried initially that it wouldn’t be enough time to see the city, it turned out to be the ideal length for the trip. I visited in late March, a good time because the weather was fairly warm and the tourist crowds hadn’t built up yet. Early April might be a slightly better time to visit, because most of the city’s botanical gardens open on April 1. Though flights to Prague can be expensive, the restaurants, museums, and other attractions  more...