Located on the coast of Sinaloa, Mexico, Mazatlán is a trendy resort town with spectacular beaches and thrilling nightlife. Centro Histórico (Old Town) and Plazuela Machado are replete with colorful, newly-restored neoclassical buildings.

One of San Cristobal Island's most popular visitor sites is Cerro Brujo, with its expansive white sand beach and a lagoon that locals once used as a salt mine but now offers excellent snorkeling opportunities. Another must-see is Kicker Rock, a fascinating rock formation that looks like a boot from one angle (hence its English name) and like a sleeping lion from another (thus its Spanish name, Roca León Dormido).

Varanasi sits along the sacred Ganges River in northern India as one of the oldest continuously inhabited cities in the world. It is a place where daily life and rituals flow together on the long stone steps called ghats that reach down to the water. Visitors often rise early for a sunrise boat ride, watching as light spreads across the river and pilgrims make gentle offerings to the water.

Étretat, a small coastal town in Normandy, France, is celebrated for its dramatic white chalk cliffs and natural rock arches that rise strikingly above the English Channel.

The Amazon River, winding through the heart of South America, is a marvel of nature that offers unparalleled adventure in one of the most biodiverse regions on Earth.