The Palace of Shaki Khans is a historical monument of great importance, which was nominated for UNESCO's List of World Heritage Sites back in 1998. This is the summer residence of the Shaki Khans - a Caucasian khanate from the 18th and 19th centuries. You can travel from Baku to Sheki by bus, by train or by car. Driving takes about four hours, while bus and train trips are slower and take about seven hours.