This uninhabited island is one of the finest archaeological sites in Greece. Considered a sacred island since the 7th century BC, the famous Terrace of the Lions stands guard over the "sacred lake" and the remains of the temple of Apollo.

Ulm, Germany, a picturesque city on the banks of the Danube River, offers a rich tapestry of history and modern charm. Dominating its skyline is the Ulm Minster, home to the tallest church steeple in the world at 161.5 meters (530 feet). This Gothic masterpiece invites visitors to climb its 768 steps for a breathtaking panoramic view of the city and the surrounding countryside.

Oxford is best known for its world-famous university, but the city offers much more than historic college halls and ivory towers. Its skyline, shaped by spires and domes, hints at centuries of intellectual life. The University of Oxford dates back to at least the 12th century and includes iconic buildings like the Bodleian Library, one of the oldest libraries in Europe, and the Radcliffe Camera, a circular reading room that looks more like a cathedral than a place for quiet study.

Three hours north of Auckland, a chain of verdant islands meet glittering turquoise waters in the Bay of Islands. This subtropical paradise will astound you with its abundance of natural beauty and marine life. Sail to the Bay of Islands, and you'll find plenty to see and explore. Hike to stunning Rainbow Falls, kayak along the shores of New Zealand's lush coastline, and keep an eye out for whales, dolphins, penguins, and a variety of colorful parrots.

Lake Nakuru National Park is located in the heart of the Great Rift Valley. The Park encompasses the alkaline Lake Nakuru and has earned fame as the greatest bird spectacle in the world. The gathering of hundreds of thousands of greater and lesser pink flamingos.

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.