Cacahuamilpa Grotto, Mexico
It is the most magnificent and largest grotto in the world and is open to the public since 1920. The Cacahuamilpa Grotto was discovered in the year 1835.
Jeita Grotto, Lebanon
It is the longest limestone grotto in the Middle East that consists of two separate but interconnected limestone caverns. The top tourist spot has a total length of 9 km (5.6 miles). Jeita Grotto is the Pride of Lebanon, and it has also been listed in the top 14 finalists of new seven wonders of nature. It is located in the Nahr al-Kalb valley within Jeita.
Mogao Grotto, China
It is the most famous caves in China also called as ‘Thousand Buddha Grottoes,’ or ‘Caves of Dunhuang.’ It is popular for their 2000 color sculptures, 45000 sqm of wall paintings that depict Buddhist art of 1,000 years. The 492 cells modeled into the rocks over the Dachuan River, the caves of thousand Buddha in the South East of the Dunhuang oasis is the greatest treasure house in the world.
Grotto of the Marvels, Spain
The Cave of Marvels is also called ‘The Gruta De Las Maravillas.’ It is situated in Huelva, in Aracena which has an overall length of 2130 meters. However, the visitors are restricted to watch only 1200. It was found in 1886 and made public in 1914. This grotto consists of many lakes and caves that are connected by narrow paths. The small geological museum complex is set there is one of the spectacular caverns in Spain.
Caves of Mira D’aire, Portugal
Mira de Aire Caves is the largest grottos of Portugal which were discovered in 1947, but it took six years to know the whole path. It is listed as one of the 7 Natural Wonders of Portugal. The cave is lit with colorful lights, and the cave is now open to the public.
The last Grotto, 110m underground contains a big lake with artificial waterfalls and fountains. They are constructed around 150 million years when the dinosaurs live there, and even the footmarks can be spotted here today.
The Enchanted Well, Brazil
Enchanted Well or Poço Encantado is located in the Chapada Diamantina National Park in Brazil. The 120 feet giant dark pool is set in a limestone cavern near Itaetê, in eastern Brazil. When the sunlight comes, it creates a blue reflection on the clear water. It is most crowded from April to September. You can enjoy nature, pure air, and calm there and there are many species of hummingbirds, parrots, small lizards, and capybaras.
Crystal Caves, Bermuda
It is the natural wonder of Bermuda which has a 55 feet deep underground lake. The Crystal Caves is around millions of years old. It also has a variety of stalactites and soda straws formations that allow the travelers to view it at the bottom of the lake.