I fell in love with this coastal Spanish city on a whim. Three trips later, my family's agreed to visit every year.

Fuente: Business Insider

captionAllison LauMy husband and I spontaneously visited San Sebastián, Spain, without doing a ton of research. We fell in love with the city's beaches, perfect weather, and relaxed culture. Now, we've been three times — most recently, with our baby son — and we hope to visit every year.