Hanauma Bay is a marine nature reserve and one of Oahu’s most iconic snorkeling destinations. Glide through its crystal-clear waters to encounter shimmering schools of silver fish, vibrant parrotfish, and even curious sea turtles that might swim right up to you. As a protected marine-life conservation district, the bay is a haven for biodiversity, but its popularity also poses a challenge. The delicate ecosystem faces ongoing threats from the very visitors who come to admire its beauty, making responsible tourism essential for its preservation.

Sample a traditional Hawaiian luau feast and learn about Polynesian island culture at the Polynesian Cultural Center. The luau has been an opportunity for Hawaiians to celebrate the good things in life with friends and family for generations, so the bright and festive luau clothes turn any frown upside down.

This Baroque castle is undoubtedly the most prominent landmark of Saarbrücken. First mentions of a "Castellum Sarabrucca" date back to medieval times, but the city had seen several attacks and revivals until the building reached its current imposing presence. Today, it is home to various cultural events and the Invisible Jewish Memorial, made up of cobblestones engraved with cemeteries from all across Germany.

The Naval Museum provides a captivating journey into the intriguing realm of the Swedish Navy. Featuring authentic battleships, 18th-century figureheads, and unique models, the exhibits offer a comprehensive look at Sweden's naval history. A highlight is the underwater tunnel housing a genuine wreck. Going beyond conventional displays, the museum offers interactive experiences, allowing visitors to fully immerse themselves in the naval world. Step aboard historic vessels, listen to captivating sea tales through audiovisual presentations and engage your senses for an enriching exploration of maritime heritage.