Novi Sad, Serbia’s second-largest city, sits along the banks of the Danube River and has long served as a cultural meeting point in the Balkans. Its centerpiece is Petrovaradin Fortress, a massive 18th-century stronghold nicknamed the "Gibraltar on the Danube." The fortress is known not just for its historic architecture but also for its network of underground tunnels and the iconic clock tower where the hands are reversed, meaning the large hand shows the hour.

South Korea is a land where ancient traditions live alongside futuristic cities. From Seoul’s grand palaces and vibrant arts scene to the volcanic landscapes of Jeju Island and the tranquil reflection of rice paddies in rural valleys, the country balances its rich heritage with constant reinvention.

Visitors to the state of Colima will experience mountains, volcanoes, rivers and alluring beaches. Jalisco sits to the north, and to the south lies Michoacán.

Bratislava, Slovakia’s capital, sits along the Danube River at the crossroads of Central Europe. It's the only capital in the world bordering Austria and Hungary, which makes it an easy stop on many European itineraries. Yet Bratislava is more than a waypoint; it offers a compact city center filled with centuries of history. The Old Town’s cobbled lanes lead past Gothic cathedrals, Baroque palaces, and buildings once used by Habsburg royalty.

Byron Bay lies on the far north coast of New South Wales, Australia, where wide beaches meet the deep blue Pacific and the point of land known as Cape Byron marks the easternmost tip of the mainland. Standing tall above the coastline, the Cape Byron Lighthouse has guided ships since 1901 and now greets walkers and sightseers who take the scenic cliff-top path for views stretching toward whales during their migration season.