Archaelogists have discovered 600-year-old secrets hidden under well-kept green grass and orange-tinged dirt near a walking path at a park in Lithuania.

The historians have reportedly excavated a section of Verkių Regional Park this spring, the National Museum of Lithuania recently revealed.

The park boasts greenery, forests and a large old manor, located on the outskirts of the European country’s capital city, Vilnius.

The museums said that the excavations at the park in 2008 uncovered a…