Opatija, located on Croatia’s Kvarner Bay, has been drawing visitors since the 19th century, when Austro-Hungarian aristocrats built grand villas along its Adriatic shoreline. Today, many of those same buildings still stand with some restored as luxury hotels and others preserved as cultural landmarks. The town’s most recognizable structure, Villa Angiolina, opened in 1844 and marked the start of Opatija’s rise as a fashionable seaside resort.

The Atacama Desert in Chile, the driest non-polar desert on Earth, is a place of extraordinary beauty and otherworldly landscapes. Stretching over 600 miles along the Pacific coast, the Atacama's stark, lunar-like terrain is punctuated by salt flats, active geysers, and rugged canyons. One of the most striking sights is the Valle de la Luna, or Valley of the Moon, where wind-sculpted sand dunes and jagged rock formations create a surreal environment that appears as if it's straight from another

The Darvaza Gas Crater, famously nicknamed the “Door to Hell,” is one of Turkmenistan’s most extraordinary landmarks. Located deep in the Karakum Desert, this fiery pit has been burning continuously since the early 1970s, when Soviet engineers reportedly set fire to a collapsed natural gas field to prevent the spread of methane.

Raiatea's laid-back atmosphere and warm hospitality make it a wonderful place to unwind and soak in the peaceful rhythms of Polynesian life.

A series of gates surrounds the two centers of ancient, medieval Fez (sometimes spelled Fes). The principal axes link the center to the gates and a street surrounds the heart of the old city. The Kairouan quarter, which is longer, is crossed by an artery. Narrow, tortuous pedestrian streets, covered passages, stairs and numerous dead-ends make up the dense layout with few urban squares.