1956 Mercedes 190SL
Today, this car's more powerful 300SL sibling tends to cross into the seven figure range, but the 190s are still a fraction of that. Save for an intense eight year restoration, this car has been in one family since it was originally purchased by the guy who spent WWII working on the Manhattan Project, overseeing the design and construction of Oak Ridge National Laboratory...where uranium was enriched for the first atomic bombs. [More pics...]
Aaron Miller is the Rides editor for Supercompressor, and can be found on Twitter. With options like these, he doesn't know where to spend his Monopoly money.