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.

M’Hamid El Ghizlane sits deep in southeastern Morocco’s Sahara, where the paved road ends and endless sands begin. Travelers often arrive from Zagora, taking in the wide palm groves fed by ancient irrigation channels that show how people have sustained life here for centuries. At sunrise and sunset, the dunes glow with waves of gold and copper, offering unforgettable views few places on earth can match.

Capri, a jewel of the Tyrrhenian Sea, has long been a favorite retreat for emperors, artists, and writers. This enchanting island off Italy's Amalfi Coast captivates with its dramatic cliffs, turquoise waters, and timeless elegance. The most iconic sight on Capri is the Blue Grotto, a sea cave illuminated by a magical blue light created by sunlight passing through an underwater cavity.

Nestled within the stunning Banff National Park in Alberta, Canada, Lake Louise is a paradise for nature lovers and adventure seekers alike. This world-renowned destination is famous for its striking turquoise lake, surrounded by the majestic Rocky Mountains. The lake, often described as one of the most beautiful in the world, is fed by the melting glaciers, creating its characteristic vibrant blue hue.

Valparaíso, Chile, is a city that beckons travelers with its vibrant street art, steep hillsides, and bohemian spirit. Known as the "Jewel of the Pacific," Valparaíso's historical importance as a major port during the 19th century has left an indelible mark on its architecture and culture.