Does anybody mind mentioning to me what this type of guitar is called? A pedal lap steel guitar maybe?
Man this thing has a magical sound!
These are all resonator guitars. The bridge bears on a spun metal cone inside the body of the guitar that projects the sound (similar to how the head of a banjo works).
The guitarists in the second and third videos are playing with slides.
There is such a thing as a resonator lap steel, but it has the action set so high as to be only playable with a slide (unplayable by fretting with fingers):
A pedal steel is an entirely different beast, also only playable with a slide (a.k.a. bar, steel, etc.), but built into a stand with pedals that bend individual strings: