Top 100 attractions in Romania

Romania's largest bastion fortress, a seven-pointed star built by the Habsburgs in 1715–1738 at Alba Iulia; baroque gates, cathedrals, the Union Hall and a changing of the guard, all with free access.

The Orthodox cathedral inside Alba Carolina Fortress, built in 1921–1922 for the coronation of Ferdinand and Marie as king and queen of Greater Romania, with a 58 m bell tower and royal portraits in fresco.

Romania's oldest and longest cathedral, Romanesque and Gothic, at the heart of the Alba Carolina Fortress; it holds the tomb of John Hunyadi and the first Renaissance chapel in Transylvania.

A cave in the Apuseni Mountains that holds one of the largest underground glaciers in the world: a block of ice over 10,000 years old, reached by stairs down a shaft 60 m across.