Alberobello in southern Italy’s Puglia region captures the imagination with its distinctive trulli houses. These structures were built using a dry-stone technique passed down over centuries, without mortar or cement, and their unique form comes from layer upon layer of limestone nestled from nearby fields. Alberobello’s trulli are so remarkable that in 1996 the historic center was inscribed as a UNESCO World Heritage Site, where more than 1,600 of these buildings still stand.

Dominica, known as the “Nature Island of the Caribbean,” is a haven for eco-tourists and adventure seekers. Nestled between the French islands of Guadeloupe and Martinique, this lush island boasts a remarkable landscape of volcanic mountains, dense rainforests, and stunning waterfalls. Dominica’s most iconic natural wonder is the Boiling Lake, the second-largest hot spring in the world.

Modern-day Colorado Springs is flourishing, as the second largest city in Colorado. Fortunately, the unique features which attracted people long ago still remain. Nature entices with her array of textures and striking colors. People from all over the world visit to appreciate the countless natural and man-made attractions the Pikes Peak region has to offer.

Berlin has an undeniable history. The horrors of World War II, division, reunification, revolution all profoundly impacted the city in the 20th century. Today, visitors will find a sophisticated, high-energy city with endless cultural, architectural and gastronomic attractions.

Puerto Madryn is a seaside city on the eastern coast of Argentina. Facing Golfo Nuevo and the South Atlantic Ocean, this coastal destination is popular for its beaches, marine life, nature preserves, and Patagonian museums.