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.

Venezuela is a country of contrasts, offering travelers a mix of rainforests, savannas, and Caribbean beaches. The country is home to unique destinations like Canaima National Park, where the world-famous Angel Falls, the tallest waterfall on Earth, cascades from an incredible height of 979 meters (over 3,200 feet). Visitors can take boat trips through jungle rivers, explore the iconic tabletop mountains, and marvel at the landscapes.

Culture, dining and nightlife are just a few of the reasons to find yourself in sunny Brisbane. This sprawling, constantly-evolving river city is for the young and the young at heart. Shop at the outdoor markets, where you'll find fashion, crafts and produce. Beaches are the order of the day here, too, with North Stradbroke Island and Moreton Island attracting hordes of sunbathers.

Negombo, located just north of Colombo and minutes from Sri Lanka’s main international airport, offers a coastal town experience steeped in layered history and local life. Once a vital trading post for cinnamon during the colonial era, Negombo has seen Portuguese, Dutch, and British influence with each leaving a mark on its architecture and culture. The Dutch-era canal system, still used by fishermen and local vendors today, runs through parts of the town and can be explored by boat or bicycle.

Lisbon, the enchanting capital of Portugal, entices sightseers with its vibrant color, stunning Gothic architecture, and temperate weather. Easily traversed by foot or tram, the city’s distinct quarters and vivid cultural landmarks make Lisbon an excellent spot for exploration.