The best of two distinct canyons, each featuring shifting vistas of deeply colored earth, desert flora, and fragrant pine under clear-blue sky is heralded throughout this journey.

The wild heart of the Pacific Northwest is a walker's paradise. Walking through Olympic National Park, an area carved out by glaciers, diverse ecosystems are revealed up close.

Combine quaint coastal villages, sparkling freshwater lakes, peaceful forest trails, and wild blueberry barrens - all within earshot of the Atlantic - and you have our amazing trip to Acadia National Park.

Yellowstone, one of nature's true masterpieces, boasts incredible geothermal sites, an amazing array of wildlife, and diverse landscapes with vibrant flora.

Setting off from the Lower Sonoran desert, on trails marked by saguaro cacti and the yellow-flowering Palo Verde tree, you ascend to the Colorado Plateau for views of the San Francisco Peaks and, perhaps, rare California condors.