Oxfordshire is a county in south-central England. Tourism in Oxfordshire is booming, mainly thanks to the capital city of Oxford. This city is the location of the oldest university in the English-speaking world, Oxford University; there are a number of Oxfordshire attractions in Oxford, many of which belong to the University itself. Some of the impressive religious Oxfordshire sights in Oxford include Christ Church Cathedral and the Church of St. Thomas, which dates to the 12th century. For some Oxfordshire culture, visit Ashmolean Museum, the oldest museum in Britain, and the Museum of Oxford. The city also has some of the best spots for shopping in Oxfordshire. While visiting Oxfordshire, you should also check out Blenheim Palace, one of the largest houses in England, built in the 18th century, and Kelmscott Manor, a limestone house dating to the 16th century. Spend a rainy weekend in Oxfordshire strolling around the various museums in the county, such as the River and Rowing Museum, the Thame Museum (in the village of Thame), and the Wallingford Museum.