Antigua and Barbuda are located in the middle of the Leeward Islands in the Eastern Caribbean. Antigua, the largest of the British Leeward Islands, is about 14 miles long and 11 miles wide, encompassing 108 square miles. Barbuda, a flat coral island with an area of only 68 square miles, lies approximately 30 miles to the north. The population is approximately 68,000 and its capital is St. John's on Antigua.

Port Moresby sits by the Coral Sea as Papua New Guinea’s capital and shows visitors a city of contrasts where glittering new buildings rise beside traditional villages built on stilts. One such place is Hanuabada, the original Motuan village, where roofs reach above water’s edge and everyday life still unfolds in Tok Pisin and local tongue.

If you find yourself in Rotterdam, there's a strong chance you've arrived by water. This popular port city (the second largest in the Netherlands) has gone through an architectural renaissance since World War II, with daring, innovative structures dotting the city (cube houses!) and defining its skyline. Café culture is on the rise here, so grab yourself a table and a cup.

Weissenkirchen is a charming Austrian town on the banks of the Danube. Surrounded by vineyards and wineries, Weissenkirchen is a delightful stop for European river cruises.

Most commonly reached via travel from Cusco, Ollantaytambo is an Incan archaeological site in the Sacred Valley of southern Peru. The town dates from the late 15th century and is home to some of the oldest continuously-occupied dwellings in South America.