Warwick is a town on the River Avon, in England’s West Midlands region. It’s known for the medieval Warwick Castle, founded by William the Conqueror. The Collegiate Church of St. Mary has a tower with city views and a Norman crypt. The timber-framed buildings of 14th-century Lord Leycester Hospital cluster by the city’s West Gate. The St. John’s House Museum is housed in a Jacobean mansion with gardens.