It's unclear how many episodes have been ordered this time around but both shows had 13 episodes apiece last time around.
Here's the press release with additional details from Travel Channel:
Travel Channel'S Don Wildman Returns With Double Stacks Of Two Original Series Premiering Tuesday, April 17
Urban Explorer Wildman Uncovers "Mysteries at the Museum" at 9:00 p.m., Et/Pt And Takes Viewers "Off Limits" at 10:00 p.m., Et/Pt
Chevy Chase, MD (March 14, 2012) – Travel Channel has double-stacked Tuesday nights this spring, bringing back two of its popular original series beginning on