Frankfurt am Main (on the Main River) is the business and financial center of Germany and the largest city in the German state of Hesse. Frankfurt is known for its futuristic skyline, enchanting old town, and the busiest German airport, likely your arrival point to Germany. Don’t miss the Römerberg or old town center of Frankfurt, with a number of historic buildings dating to the 14th and 15th century. The main Gothic cathedral, or Dom, was constructed in the 14th century. It is the site where 30 elections were held for the Holy Roman Emperor. From 1562 to 1792, 10 emperors of the Holy Roman Empire were crowned in the cathedral. It is possible to ascend the spiral stairs of the 312-foot-high church tower. There are countless museums and attractions in the Frankfurt metropolis to please just about any taste.