Amsterdam, the 17th century capital of Holland, is often called the "Venice of the North" due to its numerous, boat-navigable canals. Truly rich in history, the oldest part of this populous, multicultural city is Sloten, which dates all the way back to the 9th century.

Providence, Rhode Island blends deep colonial roots with a strong creative pulse. Founded in 1636 by Roger Williams, the city became known for its dedication to religious freedom and independent thought. Walking along Benefit Street, visitors pass rows of 18th- and 19th-century homes, many of which are impeccably preserved and marked with historical plaques. The Rhode Island State House, with one of the world’s largest self-supported marble domes, towers over the downtown area and offers public

Trier, Germany’s oldest city, is a living museum nestled in the Moselle Valley, where Roman ruins rise beside medieval churches and bustling market squares. Founded by the Romans in 16 BCE, Trier was once known as “Roma Secunda,” the second Rome, and still boasts the largest collection of Roman architecture north of the Alps. The Trier Cathedral (Dom St. Peter), which is a UNESCO World Heritage Site, is the oldest church in Germany and houses a relic said to be the Holy Robe of Christ.

Nestled in the northeastern corner of South Africa, the Blyde River Canyon offers a breathtaking panorama of natural beauty and geological wonder. As one of the largest canyons in the world, this verdant ravine stretches approximately 26 kilometers long and plunges to depths of over 800 meters. Its lush, subtropical foliage and dramatic rock formations create a landscape that is both picturesque and awe-inspiring.

Mount Kenya, the majestic volcanic mountain located in central Kenya, is a natural wonder that captivates visitors with its dramatic landscapes and rich biodiversity. As Africa's second-highest peak, standing at 5,199 meters (17,057 feet), Mount Kenya offers an array of trekking routes that lead adventurers through lush forests, alpine meadows, and glacial valleys.