Christopher Columbus reached the Americas in 1492, but he certainly wasn't the first to do so.
Human remains dating back 10,000 years have helped to rewrite the history book on America's earliest settlers.
Scientists have discovered an ancient footprint in Chile that is thought to date back around 15,600 years.
A new discovery has indicated that the first humans arrived in the Americas much earlier than thought.
New evidence has pushed the arrival of the first humans in the Americas back more than 1,500 years.
New evidence has been found which suggests humans reached South America far earlier than thought.
Christopher Columbus has been cleared of taking syphilis with him back to Europe from the Americas.
Alex Zelaya investigates the theory that ancient Mediterraneans may have been first to reach the Americas.