8. Prague, Czech Republic
Lower temperatures (40°F -55°F) will definitely not spoil your visit to this city because it has a lot to offer. You can visit Museum of Decorative Arts, Jewish Museum and the National Galleryand; for the beautiful view of the city, go to Petrin Hill Observation Tower. Autumn is a festival time in Prague and festivals range from various contemporary art festivals to horse racing and acoustic guitar festivals. No matter what your interests are, you will definitely find something for yourself if you visit Prague.