3Kiev Pechersk Lavra
Kiev Pechersk Lavra (also called the Kiev Monastery of the Caves) is a beautiful monastery that is built on a series of caves. Like the St. Sophia Cathedral, it is listed as a UNESCO World Heritage Site. This site has a long history. It was founded as a cave monastery in 1015, and numerous beautiful buildings were later built, including a large and ornate bell tower and a number of churches.