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.

Lagos, Nigeria’s largest city and economic hub, is located on the country’s southwestern coast along the Atlantic Ocean. It is a bustling metropolis where modern skyscrapers and commercial centers meet historic neighborhoods and lively markets.

New Orleans is unlike any other city in the United States. Founded in 1718, it carries layers of French, Spanish, African, and Caribbean influence that can be felt in everything from its architecture to its street music. The French Quarter, the oldest neighborhood in the city, is full of iron-laced balconies, gas lamps, and narrow streets that echo with the sounds of live jazz.

Tahiti is a veritable paradise in the South Pacific. The largest and most populous island of French Polynesia's Society Islands, Tahiti is known for its iconic overwater bungalows, crystal-clear cerulean water, and lush, tropical rainforests.

Poros, a small island in the Saronic Gulf of Greece, is known for its pine-covered hills, neoclassical architecture, and laid-back charm. Just an hour by ferry from Athens, it feels worlds away from the bustle of the capital, offering a slower pace and picturesque scenery.