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.

Zaragoza stands on the banks of the Ebro River in northeastern Spain and serves as the capital of the Aragón region. The city is known for its mix of Roman remains, Islamic influences, Mudéjar architecture, and large Baroque landmarks.

On the remote Osa Peninsula, Corcovado National Park unfolds as a vast stretch of rainforest meeting the Pacific Ocean. This protected area covers a large portion of the peninsula and is often described by scientists as one of the most biologically intense places on Earth. Dense jungle, quiet beaches, and winding rivers sit side by side, creating a landscape where visitors may walk from thick forest into open coastline within minutes.

Yemen’s Old City of Sana'a stands as a living mosaic of civilizations. Just past the ornate Bab al‑Yaman gate, towering homes made of adobe, lime plaster, and layered with qatad (plaster) rise like giants in the maze of markets and quiet courtyards. Nearby, the ruins of Ghumdan Palace, once said to rival skyscrapers, recall a pre‑Islamic past and offer echoes of bygone architectural ambition.

Gyumri is Armenia's second-largest city and the capital of Shirak Province, located on a high plateau in the country's northwestern region. The city is known for its distinctive black and red volcanic-stone architecture, broad streets, historic districts, and strong artistic traditions. Its setting near the Turkish border places it among open plains and volcanic landscapes, with Mount Aragats visible from parts of the surrounding region.