Imagine standing in complete stillness as thousands of tiny lights blink in perfect harmony around you. Every spring in Congaree National Park, this bioluminescent ballet plays out under the forest canopy. This is nature’s very own light show, and it lasts only two magical weeks. Time your visit right, and you’ll be part of a glowing experience few ever witness.

Les Andelys, a picturesque town on the banks of the Seine in Normandy, France, is best known for its dramatic setting beneath the ruins of Château Gaillard. This medieval fortress, built in the 12th century by Richard the Lionheart, stands high on a chalk cliff overlooking the river, a reminder of the region’s turbulent past during the wars between England and France.

Wales is a country where centuries-old castles rise above green valleys and coastlines are marked by rugged cliffs and quiet coves. Its capital, Cardiff, combines modern architecture with historical landmarks like Cardiff Castle, which has Roman origins and a Victorian Gothic interior. Just outside the city, St Fagans National Museum of History offers a walk-through experience of Welsh life over the past 500 years, with original buildings relocated from across the country.

Cuba has a string of islands called "Cayos." The resorts on these islets are perfect for the pleasure-seeking sun worshipper. Cayo Coco is known for its white, soft sands and crystal-clear waters. Lush vegetation is home to 155 species of birds, and along the shores flock colonies of pink flamingos. The flat terrain is perfect for walking or cycling. This is a perfect destination for a laid-back vacation.

You will never forget this incredible "Camelot," from the towers of which, on a clear day, you can see forever across the placid Adriatic. It's also a mecca for philatelists.