The worlds most unusual mountain is a peak 2,000 meters high in North America's famous Black Hills of South Dakota. Unusual, because into its face are carved the heads of four American presidents George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln.

Mount Rushmore, the scene of the gigantic portrait gallery is 1,744 meters above sea level and are 152 meters above the valley. They are therefore even taller than the Pyramids of Egypt.