Aaron Kellum gestured toward the Colorado River sliding past the banks of Camp Eddy, a collection of vintage Airstreams and custom tiny homes perched on the water's edge in Grand Junction, Colorado. The general manager and former raft guide could have been describing the whole Western Slope when he said, "To be in a place where we get to share that with other people is something I'm never going to take for granted."

You can barely see the roads within Lanzarote's Timanfaya National Park—and that's intentional. When local architect and artist César Manriche designed projects for Lanzarote, one of Spain’s eight Canary Islands, in the 1960s, he homed in on nature, with a clear aim to preserve the island’s landscapes.

The red on the thermometer crept past 30°C. In Chiang Mai, temperatures remain volatile, chilly in the morning and sweltering by afternoon. I was in an air-conditioned restaurant and had a bowl of khao soi before me, its turmeric-gold broth steaming a rich coconut bisque. The chanting of monks from the nearby temples, fading in and out in an ethereal cadence, was backdropped by the tinkle of the wind chimes.