@shanmahi
1. Sailing Stones (Death Valley): Rocks move on their own.
2. Grand Prismatic Spring (Yellowstone): Largest hot spring.
3. Glowworm Grotto (Waitomo): Bioluminescent cave.
*Unusual Phenomena*
1. Morning Glory Clouds: Rare, tubular clouds.
2. Ball Lightning: Rare, glowing spheres.
3. Ice Circles: Mysterious, circular ice formations.
*Record-Breakers*
1. Longest Mountain Range: Andes (7,000 km).
2. Deepest Ocean Trench: Mariana Trench (11,000 m).
3. Largest Waterfall (by volume): Victoria Falls.
*Hidden Worlds*
1. Cave of Crystals (Mexico): Giant selenite crystals.
2. Hang Son Doong (Vietnam): World's largest cave.
3. Lake Vostok (Antarctica): Subglacial lake.
*Rare Events*
1. Blood Moon (Lunar Eclipse).
2. Solar Eclipse.
3. Fire Rainbow (Rare atmospheric phenomenon).