three free things
free vacation activities — all you have to do is get there!

When's the last time you saw a few million dollars in cash? Here's your chance. Billions, in fact, get printed at the United States Bureau of Engraving and Printing's Western Currency Facility, and you can ... » more

At the corner of Mason and Washington Streets, where San Francisco's iconic cable car lines intersect, sits the powerhouse building. It's from here that the cables are pulled, hauling the heavy cars up the ... » more

No matter how little you think you care about science and technology, there's something amazing about walking right up to stuff that's actually been to the moon and back. At the National Air and Space ... » more