Like finding five pennies on heads.

For a deal: In honor of the Academy of Natural Sciences' (1900 Benjamin Franklin Parkway) founding, the museum is offering pay-what-you-wish admission from 10 a.m. to 4:30 p.m.

For dinner: Can't get any better than wine and pizza, right? Try unique and lesser-known wines paired with wood-fired pizzas at Revolution House (200 Market St.) from 5:30 p.m. to 7:30 p.m.

For Women's History Month fun: The New Century Trust (1307 Locust St.) hosts a one-act play about a woman's work toward the ratification of the 19th Amendment starting at 5:30 p.m.

For a look behind-the-curtain: Pittsburgh-born Broadway actor Billy Porter will speak about his life and career at the Suzanne Roberts Theatre (480 S. Broad St.) at 7 p.m. as a part of Philadelphia Theatre Company's Monday night Theatre Masters series.

For a talk: Former Congressman Barney Frank comes to the Free Library of Philadelphia's Central Branch (1901 Vine St.) for a discussion of his new memoir "Frank: A Life in Politics from the Great Society to Same-Sex Marriage" at 7:30 p.m.

For more Things to Do, check out our calendar for the most up-to-date happenings.