Chennai, the capital of Tamil Nadu, is one of India’s oldest continuously inhabited cities, where ancient temples stand alongside colonial-era architecture and modern skyscrapers. Originally known as Madras, the city grew around Fort St. George, built by the British East India Company in 1644. One of Chennai’s most well-known features is Marina Beach, which stretches for over 13 kilometers and is among the longest urban beaches in the world.

Siesta Key is a barrier island off Sarasota on Florida’s Gulf Coast, known for its broad beaches and unusually fine quartz-crystal sand. Siesta Beach is the island’s best-known public beach, with a wide shoreline, shallow Gulf waters and facilities that include concessions, parking and beach access. The island is more than a beach destination, with Siesta Key Village providing a compact center of restaurants, shops and casual entertainment.

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.

Koh Lipe is a small island in Satun Province in southern Thailand, located in the Andaman Sea near the Malaysian border. It forms part of the Tarutao National Marine Park and is surrounded by clear coastal waters, coral reefs, and smaller islands. The island is known for its sandy beaches, shallow bays, and compact village area, where most places can be reached on foot.

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.