The closest airport Regensburg HBF (IATA: RGB) is about 10 km away.
Tourist attractions in it
1. Stone Bridge (Regensburg)
The Stone Bridge (Steinerne Brücke) in Regensburg, Germany, is a 12th-century bridge across the Danube linking the Old Town with Stadtamhof. For more than 800 years, until the 1930s, it was the city's only bridge across the river. It is a masterwork of medieval construction and an emblem of the city.
2. Regensburg Cathedral
The Regensburg Cathedral (Deutsch. Kathedrale St. Peter or Regensburger Dom), dedicated to St Peter, is the most important church and landmark of the city Regensburg, and cathedral of the Diocese of Regensburg. The church is the prime example of Gothic architecture in southern Germany.
3. St. Emmeram's Abbey
St. Emmeram's Abbey (Kloster Sankt Emmeram or Reichsabtei Sankt Emmeram), now known as Schloss Thurn und Taxis, Schloss St. Emmeram, and St. Emmeram's Basilica, was a Benedictine monastery founded in about 739 in Regensburg in Bavaria at the grave of the itinerant Frankish bishop Saint Emmeram.
4. Regensburg Museum of Danube Shipping
The Regensburg Museum of Danube Shipping (Donau-Schiffahrts-Museum Regensburg) is a maritime museum of river shipping on the river Danube and other rivers, sited in the town of Regensburg in Germany. It also contains art collections on that topic, along with material on boatmen's work and training. Its main exhibits are the steam tugboat Ruthof / Érsekcsanád and the diesel tug Freudenau.
To understand Regensburg better you can also take a look at the gallery.