Mtskheta is a historic town in central Georgia, located at the meeting point of the Mtkvari and Aragvi rivers, about 20 kilometers northwest of Tbilisi. It served as the ancient capital of the Georgian kingdom of Kartli and remains one of the country's most important religious and cultural centers. The town sits within a landscape of river valleys, wooded hills, and mountain slopes, with historic churches rising above its compact streets.

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.

This hilly Aegean island, legendary birthplace of the goddess Hera, rests along a narrow strait across from the Turkish coast. Stroll through the streets of Old Town, lined with Turkish-style houses. Visit the Archarological Museum, housing artifacts from the Hearion, and be sure to view the lighted harbor at night. Also explore the 6th century AD Eupalina Tunnel, an enormous aqueduct built through the mountains to supply the city with water.

Uvita is a small coastal community in southern Costa Rica's Puntarenas Province, located along the Pacific coast on the Osa Peninsula region. The town is surrounded by tropical forest, rivers, mangroves, farms, and beaches, with the forested mountains of the coastal range rising inland.

Dotted with lighthouses along its shoreline, Portland, Maine is a coastal gem in the northeastern United States and a veritable paradise for lovers of fresh seafood, craft breweries, and small-town charm. At the center of downtown Portland, the Old Port neighborhood boasts a number of unique and historical buildings, trendy restaurants and bars, and picturesque views of the Portland Harbor.