The Rocky Mountaineer is likely one of the finest sightseeing trains in Canada, and a contender for one of the best on the planet. Train buffs are particularly spoiled for alternative out in the American West, where historic railways that brought settlers to the wild frontier continue to intrigue us with spectacular canyon overlooks, desert vistas, hold-your-breath moments via tunnels and over bridges, and nail-biting ascents to mountain peaks.

Autumn is the proper time to take these senior trips. In case you are traveling to Europe from another continent, you may want to fly into London and take the Eurostar …