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.

Graz, Austria's second-largest city, is a hidden gem that offers a perfect blend of history, culture, and modernity. Its well-preserved medieval old town, a UNESCO World Heritage Site, invites visitors to stroll through cobblestone streets lined with Renaissance courtyards and Baroque façades. At the heart of the city is the Schlossberg, a forested hill crowned by the iconic clock tower, Uhrturm.

Located off the coast of Ecuador, Floreana Island is one of the Galápagos Islands and a popular stop for gazing at a variety of wildlife, including Galápagos tortoises and flamingoes. Post Office Bay is home to the island chain's first post office site, originally established by visiting whalers in the 18th century. Though one of the smallest islands in the Galápagos, Floreana is well worth the trip!

Scotland, a land of rugged landscapes, ancient castles, and vibrant culture, offers travelers an unforgettable experience steeped in history. From the rolling hills of the Scottish Borders to the dramatic Highlands and islands, the country’s diverse scenery is a paradise.

Most of Spain's border is surrounded by ocean; it is connected to the rest of Europe only by France to the northeast, and Portugal to the west. Spain is best known for its bullfighing, but there are scores of other reasons to visit: The Rock of Gibraltar, its many beautiful National Parks, fine art, castles, beaches, golfing, museums and shopping.