Niagara Falls, New York, is home to one of the most powerful natural spectacles in North America. More than 3,000 tons of water pour over the edge every second, creating a thunderous roar and a rising mist that can be felt from blocks away. Visitors can stand just feet from the American Falls at Prospect Point or take the iconic Maid of the Mist boat tour, which has operated since 1846 and now features all-electric vessels.

Vienna has a long memory. Once the capital of the Habsburg Empire, the city still carries signs of its imperial past in its palaces, concert halls, and wide boulevards. Visitors can walk through the Hofburg complex, where emperors once ruled, or tour the opulent rooms of Schönbrunn Palace, which features 1,441 rooms and a maze in its gardens. But Vienna’s many historic buildings now house contemporary art museums, cafés, and institutions that reflect the city’s modern identity.

Savonlinna, Finland, is a captivating destination nestled in the heart of the Finnish Lakeland region, renowned for its breathtaking natural beauty and rich cultural heritage. The city’s star attraction is Olavinlinna Castle, a medieval fortress built in 1475, which remains one of the best-preserved castles in Northern Europe.

Vietnam is a country where dramatic landscapes and deep-rooted traditions intertwine, creating a mosaic of experiences that stretch from misty northern mountains to the lush waterways of the Mekong Delta. Its history is marked by ancient kingdoms, colonial legacies, and a remarkable story of resilience in the face of conflict.

Hawaii Island, also known as the Big Island, is a place where natural wonder and cultural heritage converge in breathtaking ways. The island’s diverse landscapes span black sand beaches, verdant rainforests, and snow-capped mountains. Volcanoes National Park is a must-see destination where visitors can witness the power of Earth’s creation at the Kīlauea and Mauna Loa volcanoes, two of the most active in the world.