After Hours

Public domain Windows Desktop wallpaper from US National Parks

Mount Rushmore National Memorial - South Dakota

Colossal heads of Presidents George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln were sculpted by Gutzon Borglum on the face of a granite mountain.

Photo credit to National Park Service

About Mark Kaelin

Mark W. Kaelin has been writing and editing stories about the IT industry, gadgets, finance, accounting, and tech-life for more than 25 years. Most recently, he has been a regular contributor to,, and TechRepublic.

Free Newsletters, In your Inbox