This steep-sided canyon was carved by the Colorado River in Arizona over millennia.
It is over 400 kilometres long and almost 2,000 kilometres deep. The canyon and its caves are full of Native American settlements. It is the only one of these seven natural wonders that have been inhabited for centuries. Where to see: Arizona, USA
Nestled in the heart of Lombardy, Lake Como has long been a sanctuary for the elite, artists, and travelers seeking solace in its serene beauty. Its unique Y-shaped configuration, set against a backdrop of lush mountains, creates a microcosm where nature and human creativity merge. Among its most treasured assets are the villas and gardens that line its shores, epitomizing the zenith of Italian elegance and garden design.