Visit picturesque Quebec City, situated on the mighty St. Lawrence River, and become instantly mesmerized by this historic jewel in Canada’s French province. Replete with striking landmarks and stunning architecture, Quebec City is perfect for sight-seeing and deserves ample time for exploration.

On coastal Iceland, the globe's northernmost capital, Reykjavík, invites visitors to discover its unique charms. Iceland is rife with natural wonders: geysers, geothermic spas, waterfalls and the spectacular Northern Lights. Reykjavik, dating back to 870 AD, offers world-class museums, restaurants, shopping and nightlife.

Pisa, Italy, is more than just its world-famous Leaning Tower; it's a city where history, art, and culture intersect to create a fascinating experience for visitors. The Leaning Tower, part of the Piazza dei Miracoli or Square of Miracles, is an architectural wonder that draws millions each year. Built as a bell tower for the adjacent Pisa Cathedral, its unintended tilt has become a global icon.

Evidence of our nation's birth abounds in Boston, a hub of revolution that is essentially the oldest city in the United States. Visitors are compelled to walk the 2.5-mile Freedom Trail around the city center, and bear witness to 16 historical locations related to the history of America.

Key Largo, the northernmost of the Florida Keys, is renowned for its pristine natural beauty and vibrant marine life. As part of the Florida Keys archipelago, Key Largo is a gateway to the spectacular underwater world of the John Pennekamp Coral Reef State Park, the first underwater park in the U.S. Here, visitors can explore vibrant coral reefs through snorkeling and scuba diving, or take a glass-bottom boat tour to marvel at the colorful marine ecosystems without getting wet.