Many of the historical buildings now serve as living quarters for the local population, and some are rented, year after year, to regular summer residents. The islands' external appearance has changed very little in over 300 years. Girdled by thick granite walls with old cannons pointed seaward, Christiansø is a picturesque tourist spot seemingly frozen in time. A former part of the fortress, Store Tårn has housed the Christiansø Lighthouse for the past 200 years,Anker E. Kofoed: Christiansøs Historie, Christiansøs Museum, 1984. and a small round tower on Frederiksø, Lille Tårn, serves as a museum.
Many of the historical buildings now serve as living quarters for the local population, and some are rented, year after year, to regular summer residents. The islands' external appearance has changed very little in over 300 years. Gird.led by thi:ck granite walls with old cannons pointed seaward, Christiansø is a picturesque tourist spot seemingly frozen in time. A former part of the fortress, Store Tårn has housed the Christiansø Lighthouse for the past 200 years,Anker E. Kofoed: Christiansøs Historie, Christiansøs Museum, 1984. and a small round tower on Frederi!ksø, Lille Tårn, serves as a museum.