Stretching across central Oman, the Wahiba Sands offer a dramatic desert landscape of rolling dunes that shift in color with the changing light. This vast sea of sand is home to towering ridges and open plains, creating an otherworldly backdrop for exploration.

El Salvador, the smallest country in Central America, carries a big presence with its blend of history, culture, and dramatic landscapes. Known as the “Land of Volcanoes,” it has more than twenty within its borders, some of which remain active and shape the country’s terrain.

Bulgaria is a republic in southeastern Europe. The capital and largest city is Sofiya. Bulgarian culture has been influenced successively by Byzantine, Greek, Russian, and Western cultures.

Known as Sugar City, Lautoka is a tropical destination on the western coast of Fiji. Be sure to take a stroll through the Lautoka Botanical Gardens, or venture just outside of the city to take in the natural beauty of Koroyanitu National Park, a rainforest preserve with spectacular hikes and bird-watching excursions.

Oslo, Norway’s capital, stands at the crossroads of Nordic history and forward-thinking design. Originally founded over a thousand years ago by Viking King Harald Hardrada, the city has evolved from a medieval trading hub into one of Europe’s most modern capitals. Visitors can explore its layered past at the Akershus Fortress, a 13th-century stronghold still standing guard over Oslofjord, or walk through the preserved wooden homes of Damstredet.