Here is a concise summary of the text, highlighting the 10 incredible places that exist around the world:
1. **Underwater "Waterfall" (Mauritius)**: An optical illusion in the Indian Ocean, where sand particles create the appearance of a waterfall.
2. **Glowworm Caves (New Zealand)**: Bioluminescent insects light up the caves, creating a magical atmosphere.
3. **Zhangjiajie Mountains (China)**: Unique, towering quartz sandstone formations inspired the scenery in the movie "Avatar".
4. **Grand Prismatic Spring (USA)**: The largest hot spring in the USA, known for its vibrant colors created by microbes.
5. **Pink Lake (Senegal)**: A lake with extremely high salt content, home to bright red algae, giving the water a pink hue.
6. **Temple of Ainara (Syria)**: Features enormous, mysterious human footprints at its entrance, with various legends surrounding their origin.
7. **Red Panjin Beach (China)**: A beach with intense red coloration due to a special type of seaweed, located in the largest wetland area in the world.
8. **Stone Forest (Madagascar)**: A unique landscape of sharp, towering limestone pillars, formed through millions of years of erosion.
9. **Lake Baikal (Russia)**: The world's largest and deepest freshwater lake, with unusual ice formations and a rich variety of wildlife.
10. **Giant Crystal Cave (Mexico)**: A cave filled with enormous gypsum crystals, including one weighing 55 tons, with extreme temperatures and humidity.
Here are the key facts extracted from the text, each with a number and in short sentences, excluding opinions:
**Geological Wonders**
1. **Underwater "Waterfall" in Mauritius**: Located in the Indian Ocean, it's an optical illusion on the seabed.
2. **Zhangjiajie Mountains (China)**: Formed around 400 million years ago from quartz sandstone.
3. **Great Prismatic Fountain (USA)**: Largest hot spring in the USA, approximately 112 meters wide and 49 meters deep.
4. **Stone Forest (Madagascar)**: Emerged hundreds of millions of years ago as a lagoon, with limestone deposits forming towers.
5. **Lake Baikal (Russia)**: World's largest freshwater lake, approximately 1,640 meters deep, and possibly the oldest (around 25 million years old).
**Biological and Ecological Wonders**
6. **Glowworm Caves (New Zealand)**: Home to glowworms (Arachnocampa luminosa) whose bioluminescence attracts prey.
7. **Red Lake (Senegal)**: Gets its color from high salt content and red algae, especially prominent from November to June.
8. **Red Beach (China)**: Colored by the sea serge dilla plant, located in the world's largest wetland area.
**Archaeological and Man-made Wonders**
9. **Temple of Ainara (Syria)**: Features enormous human footprints at its entrance, dating back around 3,300 years.
10. **Cave of the Swords and Giant Crystal Cave (Mexico)**: Contain large gypsum crystals, with the largest crystal being 12 meters long and 4 meters wide.
**Miscellaneous**
11. **Naica's Giant Crystal Cave**: Has a temperature of 58°C and 99% humidity, making human visits extremely limited.
12. **Cano Cristales (Colombia)**: Known for its transparent waters and unique plant life, especially the macarena clavijero plant.