Transcription: Hey, taxi! Thanks for letting me climb into your cab. I'm a mountain climber. I want to climb the highest mountain in the solar system. Why? Because it's there. Or over there. Or there. Where is it anyway? Take me to the planet with the highest mountain in the solar system. Take me to the planet with the highest mountain in the solar system. Bigger planet. don't necessarily have bigger mountains and deeper valleys. Now this is more like it! Mars looks like it has some great climbs. Olympus Mons is the largest volcano in the solar system, three times taller than Mount Everest on Earth. You just ...