San Juan, Puerto Rico’s capital, is a city where cobblestone streets lead to centuries-old forts and pastel-colored buildings overlook the Atlantic. The district of Old San Juan is a UNESCO World Heritage Site, known for its Spanish colonial architecture and thick stone walls that once defended the city from pirates and naval attacks. The city hosts regular events such as La Campechada, which celebrates Puerto Rican art and literature with live performances and open-air exhibits.

El Jem is a town in central Tunisia best known for its exceptionally preserved Roman amphitheatre, which dominates the surrounding plain. The monument was built as a free-standing structure of stone blocks and could accommodate an estimated 35,000 spectators, making it one of the largest amphitheatres in the Roman world. El Jem developed in an important agricultural region associated with olive cultivation and the production and trade of olive oil.

Jena is surrounded by limestone slopes about 400 m high, botanical and geological features ,amongst which are 40 types of orchids. Jena is also famous for the Optical Museum.

Vientiane, the capital of Laos, lies along the banks of the Mekong River and blends a relaxed urban pace with rich cultural heritage. The city’s streets are lined with French colonial buildings, Buddhist temples, and local markets, reflecting its history as both a trading hub and a spiritual center.

Oceanside is a coastal city in Southern California, located in San Diego County where the Pacific Ocean meets the northern edge of the county. Its waterfront is centered on a long sandy beach, a historic wooden pier, and a working harbor, while neighborhoods extend inland toward the foothills. Oceanside has a distinctly maritime setting, with beaches and harbor facilities alongside a compact downtown containing restaurants, galleries, shops, and cultural venues.