"I rode the steep, scenic Mount Washington Cog Railway through New Hampshire's vibrant fall foliage up to the summit of the tallest mountain in New England. Built in the 1800s as the world's first mountain-climbing railroad to make the summit more accessible, the railway is especially popular in the fall." - Lydia Mansel Lydia Mansel Lydia Mansel is a writer with more than eight years of experience editing and writing for both brands and online publications—with a particular focus on travel, fashion, and lifestyle. She’s also the founder of the travel site justpacked.com. Travel + Leisure Editorial Guidelines