Near Cibiana di Cadore, on Monte Rite (2181 m.) a world war I fortress restored with modern details hosts the Museum in the Clouds, founded by world famous alpinist Reinhold Messner
http://www.messner-mountain-museum.it/en/dolomites/museum/
Info about reaching the site:
https://www.messner-mountain-museum.it/en/dolomites/visit/
Near it, the Dolomites Landscape Terrace permits a 360 degrees view with main peaks described.