The Columbia River Gorge, straddling the border between Oregon and Washington, is a stunning natural wonder renowned for its breathtaking landscapes and outdoor adventures. This dramatic canyon, carved by the Columbia River, is flanked by towering cliffs and lush forests.

Evidence of our nation's birth abounds in Boston, a hub of revolution that is essentially the oldest city in the United States. Visitors are compelled to walk the 2.5-mile Freedom Trail around the city center, and bear witness to 16 historical locations related to the history of America.

The most heavily populated of the Hawaiian islands, Oahu is known as the Gathering Place. Two parallel mountain ranges, the Koolau Range and the Waianae Range, cross Oahu from northwest to southeast. . Among the many popular beaches is the renowned Waikiki, backed by the famous Diamond Head, an extinct volcano.

Hong Kong, a Special Administrative Region of China, is a destination where skyscrapers meet the sea and mountains. Its dramatic skyline, best admired from Victoria Harbour or the Peak, reflects its role as a global financial hub.

Lake Ohrid, a natural tectonic lake in the south-west corner of Macedonia, is the oldest lake in Europe and one of the oldest lakes in the world. Formed tectonically between four and ten million years ago, the lake is situated in limestone bedrock. Nestled amid mountains at an altitude of 2290 feet, the lake offers striking vistas of the surrounding beach and hills.