From grand castles to resplendent cathedrals, Tallinn’s Old Town neighborhood, a UNESCO World Heritage Site, is the perfect place to begin exploring. Enter through Viru Väravad, or Viru Gate, the former fortress whose remaining two towers beckon you into the heart of the city.

Set at the meeting point of Brazil and Argentina, Foz do Iguaçu is defined by the sheer scale of the Iguaçu Falls. Nearly 275 individual waterfalls stretch across close to three kilometers, sending mist into the air and sound echoing through the surrounding forest. Visitors follow raised walkways that bring them face to face with this moving wall of water, culminating at the dramatic Devil’s Throat, a deep, curved drop where the river seems to vanish into the earth.

Kirkwall, the vibrant capital of the Orkney Islands, Scotland, is a place where history and culture intertwine with stunning natural landscapes. Founded by Norse settlers over a thousand years ago, Kirkwall is steeped in Viking heritage, with its centerpiece, the magnificent St. Magnus Cathedral, standing as a testament to the town’s medieval past.

West of Vienna, the quaint town of Dürnstein lies on the banks of the iconic Danube and is the perfect destination for river cruising, sightseeing, and enjoying the best of Austrian culture. Though small, this picturesque village offers plenty to see and do.

Denmark is a country shaped by water, wind, and centuries of human ingenuity. In places like Roskilde, visitors can see five original Viking ships at the Viking Ship Museum and even try rowing a replica longboat across the fjord. In Copenhagen, the harbor once used by merchants and sailors now welcomes swimmers, kayakers, and ferries, with historic warehouses repurposed into restaurants and museums.