Discover the highlights of Olsztyn's Old Town with a knowledgeable private guide on a walking tour of the historic city center. Learn about the historic significance of the city and its major landmarks. Walk through the Upper Gate, which is the oldest part of the defensive structures of the town, and explore Market Square with its beautiful residential architecture. Visit the Church of St. Jacob Cathedral, a fine example of Warmian Gothic design. Note the high roof and impressive interior of the cathedral. See the Castle of Warmian Bishops, built in the 14th century. Admire the brownish-red exterior of the castle and wander through the beautiful gardens which surround this imposing structure. With the 3-hour tour option, continue the tour to the Church of the Sacred Heart of Jesus. Cross the bridge guarded by Monument of St. John Nepomuk and discover one of the most tranquil places in the city, Long Lake.