The "ASTRA" National Museum Complex in Sibiu, Romania is a cool place that brings together four ethnology and civilization museums. Established in 1905, it's like a cultural hub where you can explore traditional Romanian folk culture, non-European ethnology, Transylvanian civilization, and the role of the Transylvanian Saxons in Romanian culture. With over 300 houses and buildings spread across a huge open-air museum, it's a great spot to learn about history and have a fun day out. Plus, they're working on opening a new museum dedicated to Romany culture, which is pretty awesome!