If someone told you there’s a portal to another dimension hiding inside a hill in Williston, you’d probably assume they’ve been reading too much science fiction or spending too much time in the ...

Castlewood Canyon State Park in Franktown, Colorado is one of those places that makes you do a double-take and wonder if someone forgot to tell you that Colorado secretly contains portals to Mars.

All you need is a box of q-tips, some surface cleaner, and a trash can.

Some level of human-esque discernment feels necessary for a truly precise clean. AI dirt detection uses a mix of sensors and cameras to assess the mess at hand in real time and customize settings like ...