The 7 Most Impressive Impact Craters On Earth
2. Vredefort Crater, South Africa: Earth's Largest Verified Impact Scar

Holding the title of the largest verified impact structure on Earth, the Vredefort Crater in South Africa was originally estimated to be up to 300 kilometers (186 miles) across. Formed over 2 billion years ago by an asteroid thought to be 10-15 kilometers (6-9 miles) wide, what remains visible today is the "Vredefort Dome," a complex multi-ringed structure of uplifted rock about 70 kilometers (43 miles) in diameter, a deeply eroded remnant of the crater's central peak. This UNESCO World Heritage site offers a unique geological window into the deep levels of Earth's crust, profoundly altered by an unimaginable impact.