Coursing through 10 countries, the Danube is the second-longest river in Europe. This waterway, lined with fortresses and castles, rises in Germany's Black Forest and runs for 1,770 miles to the Black Sea. The Danube is an essential commercial thoroughfare for central and southeastern Europe, and several river cruise companies sail vessels on it year-round. Destinations along this river include Vienna, Budapest, Passau and Bratislava.

Tucked away on the southern tip of a narrow, 16-mile peninsula in Belize, Placencia is a charming seaside village that effortlessly blends laid-back Caribbean vibes with an adventurous spirit. Known for its vibrant local culture and idyllic beaches, Placencia invites visitors to relax on its soft sandy shores or dive into its crystal-clear waters.

Nestled along the shores of Hudson Bay in northern Manitoba, Churchill is a unique and captivating destination known for its remarkable wildlife and rugged beauty. Often referred to as the "Polar Bear Capital of the World," Churchill offers an unparalleled opportunity to witness these majestic creatures in their natural habitat. Each year, visitors flock to the town from October to November for the polar bear viewing season, when the bears migrate along the coast waiting for the bay to freeze.

Almost every modern scene in Constanta, Romania, is juxtaposed against 4th century Roman relics.

Pagat is a historic village area on Guam's northeastern coast, known for its archaeological remains, limestone cliffs, caves, and coastal trails. The area lies within Guam's rugged northern landscape, where dense vegetation covers limestone terraces above the Pacific Ocean. Pagat is particularly significant because it preserves evidence of ancient CHamoru settlement, including stone structures, pottery fragments, and remnants of traditional village life.