6. CONWAY SCENIC RAILROAD, NORTH CONWAY, N.H.

So you think your dog is well-trained? Take Rover for a ride on the Conway Scenic Railroad where well-behaved, leashed dogs are allowed on the three restored passenger cars — coach class only — that travel through the breathtaking Mount Washington Valley and the White Mountains.

Route 16, 800-232-5251, 603-356-5251, conwayscenic.com. Adults $12.50-$20, depending on train; children 3 and under and dogs free.