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.

The commercial and cultural center for the Ruhr region on the Rhine River, Duseldorff is also the site of the Felderhof Cave where Neanderthal man was found in 1856.

Hidden in the northern region of Costa Rica, the Celeste River (Río Celeste) winds through Tenorio Volcano National Park with a color so vivid it seems unreal. The river’s striking turquoise hue is caused by a natural chemical reaction between two mineral-rich streams, Quebrada Agria and Río Buena Vista, which merge at a point known as "El Teñidero." This one-of-a-kind phenomenon creates the illusion that the water has been dyed blue, even though no pigments are present.

Brighton, a vibrant seaside city on England's southern coast, has long been a favorite getaway for those seeking a mix of culture, history, and the sea. Its most famous landmark, the Royal Pavilion, is an architectural wonder with its exotic, Indian-inspired domes and minarets. Originally built for King George IV as a lavish seaside retreat, the palace today offers visitors a glimpse into royal opulence with its richly decorated interiors and sprawling gardens.

Abel Tasman National Park, located at the northern tip of New Zealand's South Island, is a paradise for nature lovers and outdoor enthusiasts. Renowned for its golden beaches, lush forests, and crystal-clear waters, the park offers an array of activities, from hiking to kayaking. The Abel Tasman Coastal Track, one of New Zealand's Great Walks, stretches over 60 kilometers and provides breathtaking views of the coastline, making it a must-do for visitors.