Useful links
http://www.nitra-slovensko.eu/ - History of the city of Nitra in words and pictures
http://www.nitra89.sk/ - Nitra ’89 remembering the region
http://www.naucnechodniky.sk - Interpretive trails in Slovakia
http://www.hrady.sk/ - Slovakia’s castles
http://www.zamky.sk/ - Castles, manors, chateaus and other monuments in Slovakia
http://www.muzeum.sk/, www.historia.sk - A history of Slovakia’s cities and villages
http://www.obnova.sk/ - Monuments, collections and antiques
http://www.dejiny.sk/ - Institute of History – Slovak Academy of Sciences
http://www.upn.gov.sk/ - National Memory Institute
http://www.whu.sk/ - Institute of Military History
http://www.lanovky.sk/ - Cable railway
http://www.lzs.sk/ - Helicopter Ambulance Service