Why you should go: Rocky Mountaineer's immersive trips between Denver and Moab allow you to admire towering mountains and red-rock canyons as you cross the Continental Divide by rail — a unique way to experience the allure of the American Southwest.

What's the big deal? With a new sale, couples traveling together on this route will save $500 on April-October journeys. Our research found prices starting at $1206 per person after the discount is applied (based on double occupancy), covering 12 different packages ranging from one to five nights. Gaze out of oversized glass-dome windows on coaches with pre-assigned reclining seats and an outdoor viewing area. Regionally inspired meals, beverages (including wine & cocktails) and onboard hosts with knowledge of historic sites, scenery and wildlife are part of the experience, too.

All journeys include a hotel overnight in historic Glenwood Springs, Colorado; select itineraries come with overnights in Moab, Denver and Bryce Canyon as well. You can also choose packages that offer additional stops in Las Vegas, Bryce Canyon or Salt Lake City.

To book, click 'View Deals' below; the $500 savings will be automatically applied to qualifying packages at checkout.