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).