Despite all this clothing-optional innovation, nude beaches remain the primary means to achieve an overall tan. One of the spin-offs of the socially and sexually liberal 1960s was a “free beach” movement that saw a proliferation of nude beaches around the world. Here are 25 of the best nude beaches you can visit around the world:Playa Naturista Chihuahua, UruguayA 20-minute drive from Punta del Este, Uruguay’s best-known nude beach overlooks Portezuelo Bay on the Atlantic coast. Playa Naturista Chihuahua, Avenida Las Amarras, 20003 Chihuahua, UruguayNida Nude Beach, LithuaniaThe chilly Baltic Sea may not seem like the most obvious place to skinny dip. Nida Nude Beach, Nidos-Smiltynės pl., Nida, LithuaniaOriental Beach Village, Phang Nga province, ThailandLike much of Asia, public nudity is frowned upon in Thailand.