When you see the word henge, you likely imagine a ring of standing stones, but the henge is actually the earthwork that sits under them. A henge is a ring-shaped bank, with a ditch inside the bank. This distinguishes a henge from a rampart, where the ditches is outside the bank, a common defensive measure built around forts. A henge may have one, two or four entrances to the center, which are assumed to have been ritual landscapes, often containing those picuresque standing stones we know and love.