The first place that came to mind was Gravity Hill, in Pennsylvania.
Among other oddities, your car will roll UP a hill from a dead stop. It is on a public road and is totally
May I also suggest that as you plan your trip you visit roadsideamerica.com...
. On their Home Page they claim to be
" Your Online Guide to Offbeat Tourist Attractions ". You can search by state, so you can decide how tou want to travel, then find out what is in
A website called "Roadside Architecture" has some interesting stuff.
One great feature of this site is the list of Links. This Link List might be what you are looking
Good Luck. I hope you enjoy your trip.