Trebinje, the southernmost city in Bosnia and Herzegovina, sits just a short drive from the Adriatic coast but offers a completely different rhythm. Framed by hills and set along the Trebišnjica River, the city has a history stretching back to Roman times. The river that winds through the city is one of the longest sinking rivers in the world and often disappears underground and resurfaces in various places.

Alberobello in southern Italy’s Puglia region captures the imagination with its distinctive trulli houses. These structures were built using a dry-stone technique passed down over centuries, without mortar or cement, and their unique form comes from layer upon layer of limestone nestled from nearby fields. Alberobello’s trulli are so remarkable that in 1996 the historic center was inscribed as a UNESCO World Heritage Site, where more than 1,600 of these buildings still stand.

Clearwater, Florida, is a sun-drenched gem on the Gulf Coast, known for its pristine beaches and vibrant atmosphere. At the heart of Clearwater's allure is its Clearwater Beach, often heralded as one of the top beaches in the United States. With its powdery white sands and crystal-clear waters, it's a paradise for beachgoers and water sports enthusiasts alike. The beach offers a bustling promenade, where visitors can enjoy everything from fresh seafood to lively street performances.

Córdoba, located in the heart of Andalusia, was once the most advanced city in Western Europe. During the 10th century, it served as the capital of Al-Andalus and was a center for learning, science, and art. Today, visitors walk the same streets that philosophers, poets, and physicians once crossed. The city’s most famous landmark, the Mezquita-Catedral, reflects its layered past. The red and white horseshoe arches inside are one of the most photographed interiors in Spain.

A former trading port and now a fascinating itinerary stop for any Vietnam traveler, Hoi An's illuminated lanterns beckon you. Each lunar month on the 14th day, electric lights are turned off in favor of traditional lanterns. Must-sees in this well-preserved locale include Quan Cong Temple, the 1700s-era Japanese Covered Bridge, An Bang Beach with its white sands, and Hoi An Night Market, abuzz with local sellers offering food and unique wares.