Puerto Rico, an unincorporated territory of the United States, is a Caribbean island rich in history, culture, and natural diversity. Its capital, San Juan, is a vibrant hub where centuries-old Spanish forts, pastel-colored colonial buildings, and lively plazas tell the story of the island’s complex past.

One of the major rivers of the Iberian Peninsula, the Douro in north-central Spain and Portugal just might be the world's most beautiful wine region. Most of the river on the Spanish side isn't navigable, so river cruises generally travel roundtrip from Porto, on the coast of the Atlantic.

From the rugged highlands and volcanic plateaus to the lowland deserts and the Great Rift Valley, Ethiopia's terrain is as varied as it is dramatic.

El Paso, located in far western Texas along the Rio Grande, is a vibrant border city that blends American, Mexican, and Native American cultures. Its location at the meeting point of Texas, New Mexico, and Chihuahua, Mexico, has shaped a rich cultural tapestry, visible in its architecture, cuisine, and community traditions. El Paso’s history stretches from indigenous settlements to Spanish colonial influence, all of which contribute to the city’s unique identity.

León, Nicaragua serves as the country’s capital for more than two centuries and still feels like the intellectual and political heart of Nicaragua. The city is known for its revolutionary past, visible in murals that stretch across building walls, telling stories of resistance, poets, and everyday citizens. The Cathedral of León, the largest in Central America and a UNESCO World Heritage Site, dominates the central square.