A "burial tomb" is a place where people are laid to rest after they die. It is an underground chamber or structure that is used for burial and can hold one or more bodies. Full definition
I encountered a few ancient burial tombs during my time exploring the Wakhan Corridor. (expertvagabond.com)
Most are not open to visitors, but you can visit the Naveta des Tudons, a remarkable Bronze Age burial tomb built 3000 years ago, which is located on the outskirts of Ciutadella, just 3 miles away. (loveholidays.com)