Sigiriya, in central Sri Lanka, is an ancient rock fortress and one of the country’s most iconic archaeological sites. Rising nearly 200 meters from the surrounding plains, the massive granite column is crowned by the ruins of a royal palace built in the 5th century CE by King Kasyapa.

Set in a wide alpine valley beneath the north face of the Eiger, Grindelwald has long been a place where mountain life and mountaineering history intersect. The village grew from a farming settlement into one of Switzerland’s earliest alpine tourism hubs in the 19th century, when climbers, writers, and scientists arrived to study—and attempt—the surrounding peaks.

Coursing through 10 countries, the Danube is the second-longest river in Europe. This waterway, lined with fortresses and castles, rises in Germany's Black Forest and runs for 1,770 miles to the Black Sea. The Danube is an essential commercial thoroughfare for central and southeastern Europe, and several river cruise companies sail vessels on it year-round. Destinations along this river include Vienna, Budapest, Passau and Bratislava.

Pacific Harbour, located on the southern coast of Viti Levu in Fiji, is known as the country’s “Adventure Capital.” Once envisioned as a luxury resort community, it has evolved into a dynamic destination that blends tropical relaxation with outdoor excitement.

Brazil's third largest city, Belo Horizonte was founded in 1897. Most of Brazil's gems and semi-precious stones are mined in this area and it is where you can find the best bargains, from aquamarines to imperial topaz. It is just 59 miles from Brazil's most historic colonial city, Ouro Preto.