Considering a fall-foliage trip but worried about the leaf-peeping crowds in Vermont? Head for northwestern Arkansas’s Ozark Mountains for your second honeymoon, where oaks, hickories and maples provide a glorious autumn show along meandering byways. The new Crystal Bridges Museum of American Art in Bentonville, funded by an heir to Wal-Mart billions, gets rave reviews for both its collection and its design by architect Moshe Safdie. Stop at Eureka Springs, “the place where misfits fit,” a community of artists, musicians and assorted counterculture types. Preserved Victorian buildings have put the entire town on the National Register of Historic Places, and romance-themed B&Bs abound.