Saint Augustine, Florida, is a charming tapestry of history and coastal beauty. As the oldest continuously inhabited European-established settlement in the continental United States, this historic city offers a fascinating glimpse into early American life. Founded by Spanish explorers in 1565, Saint Augustine boasts an array of colonial architecture and historic landmarks.

A major port city on the River Scheldt, Antwerp, Belgium, is a cultural, historical, and commercial hub and the country's most populous city. Known as the "diamond capital of the world," Antwerp is renowned for its cut diamonds.

Delhi is a sprawling metropolis in North India that contains the country's capital, New Delhi. Life is abuzz and hectic here, with traffic going every which way. A huge population shuffles through Delhi's streets, alleys and food and spice-selling bazaars, and it's quite memorable to be a part of it all.

Officially called Inyeug, this tiny islet in Vanuatu is more commonly known as Mystery Island. No one permanently resides here, but its placid turquoise waters, pure white sand, and vibrant marine life draw hundreds of cruise passengers and daytrippers each year.

Silistra, a charming city located on the southern bank of the lower Danube River in Bulgaria, is a hidden gem that seamlessly blends ancient history with natural beauty.