Private Walking Tour: Budapest Castle District. Enjoy a 2-hour walking tour of Budapest’s UNESCO-listed Castle District, led by a private guide. Visit the jewel of the area, the Buda Castle, and see the lovely murals inside Matthias Church. You’ll learn all the fascinating local history from your guide as you wander the medieval streets and pathways. The tour will conclude at Fisherman’s Bastion, the neo-Gothic arcade that overlooks the Danube and Parliament and is prime for taking photos. Book and Save 10%! Private Walking Tour: Budapest Castle District.