Would you dare venture into the untamed wilderness of Madidi National Park in Bolivia? This vast and biodiverse rainforest is home to jaguars, giant otters, and countless exotic species, making it one of Earth's most ecologically rich places. Trek through dense jungle, navigate winding rivers and immerse yourself in the sounds of nature. For those bold enough to explore this remote paradise, unforgettable wildlife encounters and raw natural beauty await.

The commercial and cultural center for the Ruhr region on the Rhine River, Duseldorff is also the site of the Felderhof Cave where Neanderthal man was found in 1856.

Istanbul is a city built on layers of empire. Spanning two continents, it was once the capital of three major empires: Roman, Byzantine, and Ottoman. Visitors walking through the Sultanahmet district can witness this timeline firsthand, from the Roman-era Hippodrome to the Byzantine mosaics of Hagia Sophia, and the towering minarets of the Blue Mosque. At nearby Topkapi Palace, rooms still display the jeweled swords, ceremonial robes, and handwritten Qurans once used by Ottoman sultans.

San Gimignano, a stunning medieval hilltop town in Tuscany, Italy, is often called the "Medieval Manhattan" due to its remarkable skyline of ancient towers. Encircled by 13th-century walls, the town is a UNESCO World Heritage site that offers a mesmerizing journey back in time. As you stroll along the cobbled streets of the historic center, you'll be enchanted by the preserved Romanesque and Gothic architecture, from charming piazzas to grand churches.

Located 75 miles south of San Francisco, Santa Cruz is a vibrant and laidback city on the central coast of California. Settled by Spanish Missionaries in the late 18th century, Santa Cruz has become a coastal paradise for surfers, students, and lovers of nature. Nestled between Wilder Ranch State Park and Henry Cowell Redwoods State Park, University of California, Santa Cruz, is the city’s leading research institution.