level (something) to the ground
To raze something; to demolish something so that nothing is left standing or intact. My brother wanted to level my parents' old house to the ground when they passed away. A huge crowd turned up to watch the demolition team level the old building to the ground.
level something to the ground
to crush or demolish something down to the ground. They were forced to level the building to the ground, because they could not afford to maintain it. The house was leveled to the ground by the tornado.