Stone Forest, China

Blade-like columns of limestone, many over 10 m tall, form a landscape that resembles a forest of stones. The region is a UNESCO World Heritage Site.

Salar De Uyuni in the Potosí and Oruro departments: Bolivia

The world’s highest salt flat at 11,975 feet above sea level is also the largest at 4,086 square miles. Travelers should make like the late Debbie Reynolds and sing (or at least visit) in the rain—during rainy season, it transforms into a giant mirror of the sky.

                Sea of Stars on Vaadhoo Island: Maldives                                                  
Long Islanders who live for after-dusk walks on the beach should consider Sea      of Stars on Vaadhoo Island their new heaven-on-earth.

Cave of the Crystals, Mexico

The Crystal Cave in the Naica mine.
 This cave contains gigantic, sword-like gypsum crystals. It is 300m underground in the Naica Mine in the Mexican state of Chihuahua.