Tsarevets Fortress, a majestic medieval stronghold in Veliko Tŭrnovo, Bulgaria, offers a captivating journey into Bulgarian history, and is generally accessible, though some internal sections involve stairs and uneven terrain, so comfortable footwear is essential. Visitors can explore independently, utilizing information boards, or opt for a guided tour for deeper historical context; the fortress is open year-round with varying hours (longer in summer), but the famous Sound and Light show primarily runs seasonally or by special arrangement. Expect an entrance fee of approximately 10-15 BGN for adults, with the Sound and Light show being a separate, higher cost; a typical visit lasts 2-3 hours to thoroughly explore the expansive grounds, including the Patriarchal Cathedral and Baldwin's Tower, offering breathtaking panoramic views of the city and the Yantra River below.