Salamanca, often called the “Golden City” for the warm glow of its sandstone buildings, is a place where centuries of stories are etched into every wall. Visit its historic center to wander through cobbled streets lined with architectural marvels. The University of Salamanca, founded in 1218, is one of the oldest in Europe and still buzzes with student life.

Though it's San Diego County's smallest city in both size and population, Del Mar is one of its most widely known due to prominence of its Del Mar Race Track & Fairgrounds. The City of Del Mar with about 2 square miles of land for its 5,211 residents, the city gives up almost one quarter to the fairgrounds. But its beaches stretch from Del Mar Shores Beach Park in the north edge of Torrey Pine State Reserve and the La Jolla Underwater Park in the south.

San Blas, Panama, known locally as Guna Yala, is a paradise of untouched beauty and indigenous culture, nestled along Panama's Caribbean coast. Comprising an archipelago of over 365 islands, San Blas offers a new adventure for every day of the year. Crystal-clear turquoise waters, pristine white sand beaches, and coral reefs teeming with marine life make it a haven for snorkeling, diving, and sailing enthusiasts.

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.

This capital of Norway has lots of things to offer such as the waterside Norwegian Maritime Museum and the Viking Ship Museum, with Viking ships from the 9th century.