You might be interested in https://www.earthcam.com/ - they host a large selection of live webcams from different locations around the world, many at a pretty decent HD resolution and frame rate.

Here's a live view of Midtown Manhattan for example: https://www.earthcam.com/usa/newyork/midtown/skyline/?cam=mi...

Or the Seattle Space Needle: https://www.earthcam.com/usa/washington/seattle/?cam=seattle...