1. Cacahuamilpa Grotto (Mexico)
The Cacahuamilpa Grotto in Mexico is just 2 ½ hours away from Mexico City. This place was discovered in 1835 and it’s been open to the public since 1920. The Cacahuamilpa which also known as the “Peanut Land”, is a protected Natural Area and is named as one of Mexico’s National Park in 1936.
2. Jeita Grotto (Lebanon)
Jeita Grotto is situated in the Valley of Nahr al-Kalb about 18 kilometers from north of Beirut. Inside of the cave are cathedral-like vaults with different colors, shapes, and sizes of stalagmites and stalactites, you can also see a lot of amazing rock formations here. The cave has a total length of more than 9 kilometers and one of the biggest stalactites around the world measuring 8.20 meters is found in this cave.
Jeitta Grotto also housed a massive hall with a total distance of 208 meters from the water level up to the ceiling.
3. Mogao Grotto (China)
The Mogao Grottoes, or are also known as the Thousand-Buddha Caves are situated 25 kilometers southeast of Dunhuang County. These caves are the most famous grottoes all over China and they’re carved out of the cliffs of Mingsha Mountain.
The caves were built from the 4th-14th century in 10 dynasties. There are about 45,000 square meter of mural paintings and more than 2,000 colored statues inside of the Mogao Grottoes.
4. Grotto of the Marvels (Gruta de las Maravillas) (Spain)
Gruta de las Maravillas or Grotto of the Marvels is situated in Huelva, about 89 kilometers away from Sevilla in Aracena. The Grotto of the Marvels was discovered in 1886 and has been open to the public since 1914. The cave has a total length of 2.13 kilometers. Inside of the grotto are stalactites and stalagmites with different colors, lakes, and caves with different sizes.
5. Caves of Mira D’aire (Portugal)
Caves of Mira D’aire are the largest caves system in Portugal. The cave is open to the public and there is an underground tour, which allows tourists to visit the different caverns with amazing speleothems. One of the caverns here has a large lake with artificial waterfalls and fountains.
6. Enchanted Well – Chapada Diamantina National Park (Brazil)
The Enchanted Well situated in the Chapada Diamantina National Park in Bahia is a giant sunken pool with the depth of 120 feet. Its water is so clear that you can see the rocks and tree trunks at the bottom of it. When the rays of the sun strike the water, it creates a blue reflection which highlights the beauty of the cave.
7. Naica Crystals Caves (Mexico)
The Naica Crystals Caves is situated about a thousand feet below the Naica Mountain in the Chihuahuan Desert in Mexico. The cave was discovered by 2 miners in the year 2000 and it contains natural crystals and translucent gypsum beams.
8. The Blue Lake Cave (Brazil)
The Blue Lake Cave’s inside lake has deep blue colored water, which is the main feature of the cave. The cave was discovered in 1924 by a Terenan Indian. The Cave features a huge variety of geological formation and a lake with crystal clear water.
9. The Bellamar Cave (Cuba)
The Bellamar Cave was said to be discovered accidentally, 166 years ago. The cave was located in La Alcancía Farm and it was one of the oldest tourist attractions in Cuba. The Bellamar Cave is famous for its beautiful speleothems. The cave also features beautiful fountains, stalactites and stalagmites, and crystallized domes.
10. Crystal Caves (Island of Bermuda)
The Crystal Cave situated in Bermuda is a blue underground lake with a depth of 55 feet. The cave features crystal clear water, soda straws and stalactites.