Mars
Known as the Red Planet, Mars is home to the highest mountain and the deepest, longest valley in the solar system.
Jupiter
Jupiter is more than twice as massive as the other planets of our solar system combined. The Great Red Spot is a centuries-old storm.
Saturn
Adorned with a dazzling, complex system of icy rings, Saturn is unique in our solar system. It is a gas giant composed mostly of hydrogen and helium.