You’re vacationing in San Diego. You’ve had a close encounter with wildlife from every continent at the zoo. You’ve strolled the waterfront and admired the clipper ship Star of India and the massive aircraft carrier Midway. You’ve shopped at Horton Plaza and supped in the Gaslamp Quarter. What now? Explore North Park. This historic neighborhood—a former lemon grove turned subdivision in the years leading up to World War II—may not have the flash of downtown, but it does have an abundance of local color accentuated by historic architecture. It also has a craft brewery scene with as many varieties of IPAs as there are cabernets in Napa. It’s all concentrated in a few square blocks radiating out from the corner of University Avenue and 30th Street, making it a perfect place to explore on foot. North Park is definitely on the rise, thanks to a group of young entrepreneurs who …