Your search for "cave -virtual" returned 40 results
Landslides can be devastating, causing more damage than their triggers. Learn more about landslides and landslide causes.
Sinkholes are much more than holes in the ground. Learn how sinkholes can cause the Earth to swallow up you, your home and your car.
How was the construction of the World Trade Center unique? Learn how the construction of the World Trade Center was unique at HowStuffWorks.
Crystals can be made in a countertop pie tin, a high-tech lab or a fissure deep in the Earth. Learn more about how crystals are made at HowStuffWorks.com.
Does the brilliance of fall leaves owe credit to summer rains? Learn if a wet summer means they'll be a colorful fall at HowStuffWorks.
In the news about the recent accident at a ski resort in Austria, the reporters called the cable car that carried the skiers up the mountain a "funicular railway." What is that and how does it work?
Richard Sharpe Shaver was a controversial UFO storyteller promoted by Ray Palmer. Check out his amazing stories of aliens called deros and teros.
The Maury Island UFO incident was a UFO encounter concocted by Fred Crisman and Harold Dahl. Read about the "dirtiest hoax in UFO history."