Roaming the Planes

So, I've previously said that Jeff Rients' post on FLAILSNAILS gets at the meat of planar travel.

So, too, does Brendan's recent Visitors post — although this one focuses on why planar travel is actually really common.  What do you call what Alice Liddel and John Carter of Mars were doing?

And while we're talking about planar travel, here's some surreal art to get you in the mood.