I guess it's safe to say that Wednesday is a popular TV night. It seems like all the shows compete, especially the paranormal/conjecture ones. You're going to have to do some mad scrambling during commercials or serious taping (I personally record "Destination Truth").
Nostradamus Effect on History Channel (check your local times)
A show exploring prophecies through the ages.
Mysteryquest on History Channel
Scientific expeditions on different subjects—this time, Hitler’s Escape
Ghost Hunters on SyFy takes on a courthouse in New Jersey and an 1800s home.
Destination Truth on SyFy checks out a Mexican Island legend involving a drowned girl and a sea monster in the Bahamas.