The 10 happiest states in the U.S.

Karen Samelson / McClatchy-Tribune

Hidden Lake overlook is a popular 1.5-mile hike from the visitor center at Logan Pass in Glacier National Park, Montana.

Tribune file photo

Theodore Roosevelt National Park in North Dakota.

Chicago Tribune

Skiing is popular in Vermont.

Christopher Reynolds / MCT

Seattle's Space Needle is centerpiece to the skyline view from Kerry Park on Queen Anne Hill.

Laurie Hertzel / MCT

Mist rises off the chilly surface of Lake Caribou in Minnesota.

MICHAEL GOULDING, / MCT

Beachgoers enjoy the sand and waters of Kaanapali Beach on Maui in Hawaii. Fall can be a good time to visit the islands because of reduced number of visitors.

JAME ELI SHIFFER / McClatchy-Tribune

The wildlife loop road is the ideal spot for a South Dakota Black Hills safari, as the resident herd of 1,500 bis

Bob Downing / MCT

The Great River Road stretches 2,159 miles from Minnesota to Lousiana through 10 states along the Mississippi River.