Frankfurt is a huge city.  It’s a major transportation hub, hosting one of Europe’s busiest airports and is the largest financial center in continental Europe.  Frankfurt’s famous skyline comprised of high-rises is often referred to as “Mainhatten” and has a rebuilt Old Town that is impossibly cute. It is extremely affordable to visit with easy public transportation, cheap beer, good food, trendy art galleries and street markets. Plus, there are so many old dudes here that LOVE blasting Rammstein while driving down streets packed with pedestrians, and I’m obviously really into that.  With so much to offer, Frankfurt hardly makes it onto any travelers list.  Most just pass through onto the next destination.  Why?  Frankfurt’s charm and attraction is not so obvious and requires a little digging. We ended up in Frankfurt after accepting a house-sitting gig there for two weeks, and were initially planning to take it easy and use our time to regroup after a solid 2 months of backpacking through the UK, Ireland, Scandinavia, France, Belgium and the Netherlands.  Our idea was …