📜 Small museum displaying artifacts from subway renovation.🔍 Located inside Madrid's Gran Vía metro station.# Why Go🏛️ See archaeological remains from subway renovation, including artifacts from 15th to 19th centuries🏺 Discover pottery, coins, bottles, and daily life objects🎨 Admire architectural elements designed by Antonio Palacios🚇 Learn about Madrid metro's history and architecture🆓 Free admission, no subway ticket needed# Cost💰 Free admission.