Dubuque sits along the Mississippi River in northeastern Iowa, where steep limestone bluffs rise above a broad river corridor. The city is Iowa’s oldest incorporated community and developed around river commerce, lead mining, manufacturing, and trade. Its historic downtown contains preserved brick buildings, churches, shops, restaurants, and the distinctive Town Clock, while the Port of Dubuque provides a more modern riverfront district.

Lucca, a Tuscan city surrounded by remarkably intact Renaissance walls, offers more than just postcard views. Known for its quiet streets and grand piazzas, Lucca stands apart with its circular street layout, still following the lines of a Roman amphitheater from centuries ago. The walls, now repurposed as a 4-kilometer tree-lined park, are a favorite route for locals and visitors who explore them on foot or by bike, passing old bastions and panoramic viewpoints along the way.

Saint Andrews, a picturesque town on Scotland's east coast, is a captivating blend of history, culture, and natural beauty. Known as the "Home of Golf," it is celebrated worldwide for its historic Old Course, one of the oldest golf courses in the world, dating back to the early 15th century. Golf enthusiasts will find a pilgrimage to the iconic Swilcan Bridge or the 18th hole of the Old Course to be an unforgettable experience.

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.

Travelers on the Arabian Sea often find themselves in Muscat, on the Gulf of Oman. This port capital is situated between ocean and mountains, and boasts lovely beaches, great diving sites (watch for turtles!), 16th-century forts, and the impressive Sultan Qaboos Grand Mosque, which can hold 20,000 people.