Senator John Heinz History Center: This museum explores not only the past of Pittsburgh, but also features special exhibits. One exhibit showcases the history of Heinz products, including its most famous ketchup. No visit to Pittsburgh would be complete without remembering Mr. Rogers. A small exhibit of the set from the children's television series "Mr. Rogers' Neighborhood" brings back memories to young and old alike. (1212 Smallman Street; (412) 454-6000; daily 10 a.m. to 5 p.m.)

Andy Warhol Museum: The works of Pittsburgh native son, Andy Warhol, along with the history of his life are portrayed in the Andy Warhol Museum, which features interactive displays and opportunities. Warhol filmed many screen tests and visitors can sit for a screen test of their own in one of the exhibits. The Factory, the museum's underground space, is staffed with art teachers who help visitors explore some of Warhol's techniques. Silkscreen printing, blotted-line drawings and other activities immerse visitors into Warhol's art world. (117 Sandusky Street; (412) 237-8300; Tuesday through Sunday 10 a.m. to 5 p.m., closed Mondays)

Carnegie Museums of Art and Natural History: Located in Oakland, on the east side of town, these two shared museum spaces merit a full day. The natural history museum was recently named the top museum in Pittsburgh by readers of Pittsburgh Magazine. The impressive exhibits include dinosaurs; the Hillman Hall of Minerals and Gems, where rockhounds learn every detail about gems and minerals; and the connected Wertz Gallery of Gems & Jewelry, where visitors can evaluate precious stones and jewelry. The art museum not only exhibits a variety of artists, but has the unusual architectural castings room with replications of the facades of buildings and monuments from around the world. (4400 Forbes Avenue; (412) 622-3131; Friday through Wednesday 10 a.m. to 5 p.m., Thursdays 10 a.m. to 8 p.m.)

Market Square: An open space surrounded by restaurants and shops, Market Square is Pittsburgh's gathering spot in the downtown area. A plethora of activities like a farmers' market, concerts and even a zombie fest take place in this popular space near Forbes Avenue and Market Street.