Pamukkale is a fairyland of dazzling white, petrified castles. It is a magical and spectacular natural site, unique in the world. Thermal spring waters laden with calcareous salts running off the plateau's edge, have created this fantastic formation of stalactites, cataracts and basins.

Although its great days are past, its palaces and castles deserted, gondar is one of Ethiopia's most fascinating cities and one of the world's most mysterious. The city stands at the foot of the Simien mountains and is set in a landscape of incomparable beauty. Gondar is the former 17th century capital of Ethiopia, although some say it was Saudi Arabia.

Tenby sits on the Pembrokeshire coast of southwest Wales, where medieval walls still encircle a compact town above the sea. Its history as a fortified port is visible in stone ramparts, narrow lanes, and the ruins of Tenby Castle, which overlook the harbor.

Rhode Island may be the smallest state in the U.S., but it offers an outsized variety of experiences, from colonial history to coastline escapes. Founded in 1636 by Roger Williams as a haven for religious freedom, the state still reflects its independent spirit. In Providence, travelers can visit the John Brown House Museum to explore the city’s role in early American commerce, or walk Benefit Street, lined with preserved 18th- and 19th-century homes.

Oranjestad, Aruba’s colorful capital, blends Dutch colonial charm with the island’s easygoing Caribbean character. The city’s pastel-painted buildings, adorned with gables and decorative facades, recall its Dutch heritage while housing modern boutiques, cafés, and museums.