Río Secreto offers a fascinating journey through a natural crystal museum, where dramatic stalactite and stalagmite formations reveal the geological history of the Earth. This magical adventure includes hiking and swimming excursions along a turquoise underground river, allowing visitors to explore the mystical beauty of the Mayan underworld.

Grand Fond reveals St Barts’ untamed Atlantic coast — a pebble-strewn beach where surfers challenge the crashing waves, and swimming is wisely avoided amid the rocky shallows. This wild counterpart to nearby Toiny offers raw drama: wind-sculpted vistas stretch to offshore islets, while the relentless surf soundtrack drowns out all traces of the island’s glamour. A 15-minute hike west along slippery coastal trails leads to the Piscines Naturelles Grand Fond, where volcanic rocks cradle seawater pools. Time it right (avoid midday sun and check tides) for safe dips between sea urchin colonies. The full 3-kilometre out-and-back trail offers panoramic ocean views. Just be sure to pack sturdy shoes and water for the scramble over jagged terrain. Shellfish hunters take note: collecting is prohibited, but the beach makes a spectacular picnic spot for those craving salt-sprayed solitude.

Ada Ciganlija, Belgrade's most renowned summer resort, has transformed from an island to a peninsula, becoming the city's largest and most picturesque recreational spot. The Savsko lake is encircled by over 7 km of Blue Flag-awarded beaches, offering myriad ways to enjoy hot summer days. In summer, Ada Ciganlija turns into a bustling hub, attracting over 100,000 visitors daily (up to 300,000 on weekends) for swimming, sports, or leisurely afternoons in beachside cafés. In contrast, autumn and winter bring a quieter atmosphere, with a scenic promenade lined by cafés and nightclubs, although the lake's ice is too thin for skating. With more than 50 open-air sports facilities, including a golf course and cable-ski circuit, as well as courts and pitches for various sports and extreme activities like bungee-jumping and paintball, there's no shortage of action. The area's restaurants offer traditional city fare, particularly fish specialities, while bars and floating river clubs provide vibrant nightlife.

Come here for a stroll in the beautiful surroundings or a guided tour. Monastery of San Nicolò l'Arena (16th century Monastero dei Benedettini) is one of the biggest Benedictine monasteries in Europe and is listed as a UNESCO World Heritage Site. Today it hosts a part of the University of Catania.