Currently in circulation the highest dollar bill is with a face value of $100, although the largest denomination of currency ever printed was the $100,000 Series 1934 Gold Certificate featuring the portrait of President Wilson, but never released for public circulation, only for official transactions between Federal Reserve Banks.
Good, now you're ready for the eastern walls of Olympus Mons. 17Â°23'26.69 N 128Â°57'25.39. W looks challenging enough for you, you can start at 793m elevation and finish at 5642m elevation.
As small as it is, however, it is a planet of extremes. Mars is the home of the largest known volcano in the Solar System. Olympus Mons is an extinct volcanic crater that rises 15 miles above the Martian surface. That is over twice the height of the tallest mountain on Earth, Mt. Everest.