It's true that archaeology generally involves digging in the ground. But that process is often helped along by a view from above.
A bird's-eye view can help archaeologists figure out where to dig. And it doesn't stop at bird level; satellite imagery can also help find good places for digs.
This is the story Sarah Parcak tells in her book Archaeology from Space: How the Future Shapes Our Past.
The author is something of an archaeological rock star, having appeared on the likes of Stephen Colbert's TV show.
We replay our visit from 2019.