Floating face down in the Caribbean, with snorkel clenched in your mouth, lacks the structure, the regimentation, of observing the natural world in the way we’ve grown up to accept while walking through a forest, strolling through a meadow, or hiking up a mountain. Clouds of neon blue tangs drift by while black-and-yellow striped sergeant majors flit about, lacking the tangs’ regimented approach to life in the ocean.

The Smoky Mountains are home to more than 1,600 species of flowering plants. During each month of the year, some forb, tree or vine is blooming in Great Smoky Mountains National Park. During the spring, wildflowers explode during the brief window just prior to trees leafing out and shading the forest floor (from about mid-April through mid-May).

The Pueblo Indians in New Mexico and northern Arizona are descendants of the Ancestral Puebloans who abandoned the cliff dwellings now preserved in Mesa Verde National Park. Does the modern pueblo culture straddle the ages? See for yourself. Just cue this composite audio/video, turn up the volume, and get ready for a surprise.

It was just about a year ago that a college professor headed into the remote backcountry of Canyonlands National Park to find his final resting place. His remains recently were discovered by another hiker.