As they dug, archaeologists unearthed a forgotten staircase leading into the old moat. A photo shows the partially uncovered steps. The medieval stairs originally started inside the castle’s ...

Archaeologists digging up the filled-in moat of Sparrenburg Castle uncovered a forgotten staircase, possibly leading to an unknown cellar. Screengrab from YouTube video shared by BielefeldJETZT ...

This classic medieval castle has thick, crenelated walls supported by nine stubby towers — all surrounded by a moat. (Prisma Bildagentur/Universal Images Group/Getty Images) ...

Archaeologists digging up the filled-in moat of Sparrenburg Castle uncovered a forgotten staircase, possibly leading to an unknown cellar. Screengrab from YouTube video shared by BielefeldJETZT ...

Eltz Castle, Germany. Some countries have more than their fair share of gorgeous medieval castles, and Germany is one of them. Eltz Castle is one of the finest examples of a German knight’s ...

Archaeologists digging up the filled-in moat of Sparrenburg Castle uncovered a forgotten staircase, possibly leading to an unknown cellar. Screengrab from YouTube video shared by BielefeldJETZT ...

Archaeologists digging up the filled-in moat of Sparrenburg Castle uncovered a forgotten staircase, possibly leading to an unknown cellar. Screengrab from YouTube video shared by BielefeldJETZT ...

Archaeologists digging up the filled-in moat of Sparrenburg Castle uncovered a forgotten staircase, possibly leading to an unknown cellar. Screengrab from YouTube video shared by BielefeldJETZT ...