* Through April 30: Some 40 Philadelphia hotels are offering the Ben's Birthday Hotel Package, which includes one or two hotel nights, two tickets to the "Benjamin Franklin: In Search of a Better World" exhibition (see below), and the "Little Book of BENefits," a packet of coupons that offers discounts throughout the city. Book online at www.gophila.com/go/ben.
* All year long: Following in Franklin's Footsteps. Self-guided walking tours covering Philadelphia landmarks known to the Founder in his time. Starts at the site of Franklin's home, in Franklin Court. www.nps.gov/inde.
* Ongoing: If you're game for a longer constitutional, take the Constitutional Walking Tour of …