The Deepest Canyon In The Solar System

It makes the Grand Canyon seem like a paper cut

False color image of the Valles Marineris (Public domain)

Mars is the Texas of the Solar System. Everything is bigger on Mars. The Red Planet is home to some of the most extreme features in the entire solar system due to oversized geologic formations. That includes the largest mountain in the solar system. It also happens to include the deepest canyon in the solar system.