The Complexul Muzeal de Științe ale Naturii (CMSN) in Constanța is a premier scientific and cultural institution with a rich history spanning over fifty years. Located on Bulevardul Mamaia, this complex is home to multiple fascinating attractions including a Dolphinarium, Aquarium, Micro Delta, Planetarium, and a collection of Exotic Birds. The Dolphinarium, established in 1972 as Southeast Europe’s first facility of its kind, offers engaging dolphin shows and educational programs that promote marine conservation. The Aquarium, which features a variety of aquatic life, is currently undergoing renovations.

CMSN serves as an educational hub, supported by a team of qualified professionals, including several experts with doctoral degrees. The museum hosts a range of educational programs and actively participates in research projects, collaborating with international organizations to enhance knowledge in natural sciences. Visitors can enjoy leisurely walks in the museum's park, which is designed as a botanical garden. With more than 30,000 exhibits, CMSN is dedicated to fostering a deeper understanding of nature and science among its visitors.