A special place in the south of Spain
A unique cave in Andalusia
Whenever you plan to visit the south of Spain there is one area I would recommend.
The town of Almeria with its narrow streets is over 1000 years old. A large section of the town was destroyed in 1522 by an earthquake. Within 30 km (to the north) from the old town, is the largest protected coastal area in Andalucía. The natural park is called Cabo de Gata-Nijar Natural Park.
The greenhouses of Almeria
The area 30 km south of Almeria is known for its greenhouses. This area can be seen from space because it is over 40,000 hectares (100,000 acres) covered in plastic. A visit to Google Earth at latitude 36.74 degrees N and longitude -2.71 degrees, you will see the magnitude of the greenhouses. Vegetables grown here are exported all over Europe.
Photo Source: Private
The discovery of a spectacular geode
Another reason why this area is so interesting is that in 2000, in an abandoned silver mine near Almeria, a massive geode was discovered. This site is not open to the public but an amazing video detailing the geode is available online and linked here.
On the other side of the globe is an absolutely amazing cavern associated with the Carlsbad Caverns. It was originally mined for bat guano but in 1989, some spelunkers (cave adventures) found that there was air seeping up out of the bottom of the cave and decided to escalate the bottom. What they found is an absolute wonder. Although the site is part of the Carlsbad Caverns, it is now restricted access and available only for scientific study. This recent video is a great tour of the cave systems. Click on the photo below for a wonderful trip through an amazing underground labyrinth.
The largest cave in the world
Son Doong cave in the Republic of Vietnam is reported to be the largest cave in the world. This cave is over 5 and 1/2 miles long can fit a 40 story skyscraper inside it. It also has the largest known cave passage in the world.
Unlike the previous two examples, this is a site that the public is welcome to visit. In fact, it is likely to be a tourist attraction before too long. There are 3, 4 and 6-day tours through the cave system. Son Doong Cave