The Palin express just keeps rolling along.

Adding to the feverish will-she-won't-she speculation surrounding the potential presidential candidate, former vice president Sarah Palin has announced that she will be embarking on a bus tour of the East Coast to visit famous monuments, msnbc reported.

Palin's decision to re-hire some key aides and purchase a home in Arizona has caught the attention of journalists and professional prognosticators, who are closely eyeing the Fox pundit and Tea Party darling's next move.