Querétaro, located in the heart of central Mexico, is a city where centuries of history are still visible in daily life. Its historic center, a UNESCO World Heritage Site, features narrow streets, elegant plazas, and baroque churches that reflect its colonial past. One of the city’s most iconic landmarks is the massive aqueduct, built in the 18th century with 74 stone arches stretching nearly a mile across the landscape.

Potosí rises on the Altiplano of southern Bolivia and for centuries it was one of the richest cities in the world because of what lies just beyond its streets. At the foot of Cerro Rico (“Rich Mountain”), silver was discovered in the mid-1500s, and within a few decades the city became a center of mining and wealth that shaped global trade and economies.

Melbourne, Florida, is a charming city that combines coastal beauty with a rich tapestry of cultural and recreational activities. Nestled along the Atlantic coast, Melbourne offers pristine beaches and vibrant outdoor experiences. The Historic Downtown Melbourne is a delightful area where you can explore unique shops, dine at quaint restaurants, and soak in the small-town charm.

What sets Kaikōura apart are the extraordinary marine encounters that begin just off the shoreline. The Kaikōura Canyon, an underwater gorge that plunges to great depths close to land, creates currents rich with nutrients that attract a remarkable array of sea life year-round. Sperm whales are a common sight here and are frequently spotted on local boat tours. Dusky dolphins twist and leap in large pods, and colonies of New Zealand fur seals laze on rocky outcrops along the coast.

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.