what is the 20981 hill?

Answer 1

It's a hill in Washington State, USA, that has what appears to be the numbers 20981 "written" on the top in very large digits. There's a video going around the net called "The World's Mysterious Places Part II" with a very brief shot of it. Looks a little like what the Nazca lines in Peru might look like if they'd been done by aliens who wore digital watches.

Answer 2

20981 HILL is -

Another whistle-stop tour of the strangest and most mysterious places in the world, found on Google Earth.

The 20981 Hill.
The Montana Stonehenge.
Tarxien, Hagar Qim and Mnadjra in Malta.
Nicosia, Cyprus and the green line that divides it, visible along the edge of the old city.
Noah's Ark on Mount Ararat.
Land graffiti in China.
Xian pyramids, tombs of the emperors.
The 221433 Ruins in China, with my own names for the features.
The Pine Gap Installation, Australia.
The Pen and Pad.
... and Machu Picchu, stronghold of the Incas.

Answer 3

Some mountains in Himalayas are given names giving their height in feet.

Arapahoe Orthodontics is located @ that address in WA, US.