Top 20A Saxon-built, still-inhabited medieval walled town on a hill above the Târnava Mare, with guild towers and the famous Clock Tower; a UNESCO World Heritage Site since 1999.
Top 20Romania'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.
Top 100A pentagonal bastion fortress built by the princes of Transylvania in the 16th–17th centuries: five bastions, a princely palace housing the Oradea City Museum, and courtyards you can walk into freely.
Top 100A 13th-century hilltop fortress on a volcanic hill above Deva, with three enclosures restored by 2024 and wide views over the Mureș valley.
A 15th-century horseshoe-shaped defence tower perched on a rock above the Graft, with one of the best views over Brașov's old town.
A bastioned fortress on Citadel Hill, north of the old town, built to stop enemies firing on Brașov from the heights; the interior is closed for works, but the walls and the view can be enjoyed from the paths on the hill.
The ruins of a Dacian fortress on a wooded hill above the Sebeș valley: limestone walls in the murus dacicus technique and the base of a tower house, the only Dacian UNESCO site in Alba County.
The only surviving medieval gate of Brașov's walled town, a white tower of 1559 with four corner turrets and the town's coat of arms; next to it, the neoclassical Șchei Gate of 1827–1828.
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