4Maribor, Slovenia

Slovenia’s second-largest city is surrounded by vineyards and rolling hills, yet remains refreshingly untouristy.

Maribor sits on the Drava River and boasts the world’s oldest vine, still producing grapes after more than 400 years. Its old town has charming squares, lively wine cellars, and stunning Baroque architecture. For outdoor lovers, Pohorje Mountain nearby offers skiing in winter and hiking in summer.