In Edinburgh, an ancient fortress looms, the hills are steep, and travelers delight in the hidden charms of the Old Town and New Town. Hike to find spectacular views on Arthur's Seat, shop the downhill streets of the Royal Mile, and visit Edinburgh Castle, an imposing royal fortress that defines this city's skyline.

Nha Trang, located on Vietnam's southern coastline, is a vibrant city renowned for its stunning beaches and dynamic culture. This coastal paradise boasts a 6-kilometer stretch of golden sand along Nha Trang Beach, where turquoise waters meet palm-fringed shores, perfect for sunbathing and swimming.

Bioko is a volcanic island in the Gulf of Guinea and forms the main part of Equatorial Guinea’s insular region.

Connemara National Park lies in County Galway in western Ireland, near the village of Letterfrack. The park protects a broad landscape of mountains, western blanket bog, heath, grassland, woodland, and lakes, covering more than 2,000 hectares. Several of its peaks form part of the Twelve Bens range, including Benbaun, the highest mountain in County Galway.

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.