This 2,000-year-old city, where the Teutonic Order founded one of its first commanderies in the 13th century, lies on the convergence of the Moselle and Rhine Rivers.

Cairns is the majestic entrance to Australia's Great Barrier Reef. This warm, tropical destination is located in Far North Queensland. Must-see attractions in Cairns include the Tjapukai Aboriginal Cultural Park, which educates tourists about indigenous peoples, and restaurant and bar-dotted Cairns Esplanade, which has a lagoon for swimming.

Halong Bay, located in northeastern Vietnam, is a stunning UNESCO World Heritage site known for its emerald waters and towering limestone islands. This natural wonder offers a variety of activities for visitors, including cruising, kayaking, snorkeling, and exploring extraordinary caves like the Sung Sot.

This quaint port city is breathtakingly beautiful! Surrounded by peaks, Seward fjords are the perfect whale and porpoise habitat, and both seals and puffins fill the Alaska SeaLife Center. Those looking for a challenge can hike the western trail to the summit of Mount Marathon.

Sarajevo, the capital of Bosnia and Herzegovina, is a city where history, culture, and resilience converge. Often called the "Jerusalem of Europe," Sarajevo is a place where East meets West, reflected in its diverse architecture, which seamlessly blends Ottoman, Austro-Hungarian, and modern influences.