Things to Do in Pittsburgh:

Shopping!
One of the best “perks” to visiting Pennsylvania is that there is no tax on clothing and shoes. (Luxury and sporting attire such as fur coats and swimming suits are taxable as are football cleats). So while you are here get some shopping done. Here are some of the best places to shop:

Within walking distance:

Macy’s on the corner of Fifth Avenue and Smithfield Street. This is also where you will find the famous “Kaufmann’s Clock”.
http://www.macys.com/

Fifth Avenue Place located at 120 Fifth Avenue . A steel pyramid and steeple atop Fifth Avenue Place serves as a downtown landmark and draws attention to this upscale shopping and dining destination. Specialty shops such as Betsy Ann Chocolates, Crystal River Gems, King's Jewelry and Laurie's Hallmark are convenient for picking up gifts and souvenirs. Caffe Amante, an attractive Italian restaurant, offers a pleasing selection of food and wine, and there's also a food court on site.
http://www.fifthavenueplacepa.com/

Jump on the “T” (Pittsburgh Subway) or “PAT” (Pittsburgh’s Public Transportation)
http://www.portauthority.org/paac/default.aspx

Station Square is a 40-acre complex just across the Monongahela River (via Smithfield Bridge from Downtown). Shopping, dining, and entertainment are dispersed throughout the buildings on the site, which include the P&LE Railroad (Grand Concourse Restaurant), and former boxcar warehouses. The Hard Rock Café and Sheraton Station Square are also here.
http://www.stationsquare.com/

Historical South Side. East Carson is the key street for shopping and sightseeing in this historic neighborhood. American Eagle Outfitters, Benetton and Cole Haan are among the well-know retailers in the new South Side Works development. There are also specialty shops that range from cigar stores to spas to music shops. Hungry visitors don't have far to walk, as there are many restaurants, such as Café Allegro, Thai Me Up, Primanti's and Le Pommier, along this busy street.
http://www.southsidepgh.com/index_new.htm

Have a little more time on your hands? Here are some other “must-do’s”:

Senator John Heinz History Center (in association with the Smithsonian Institution) – Get the scoop on Pittsburgh at the Heinz Historical Museum. Don’t miss the ever popular permanent exhibition the Western Pennsylvania Sports Museum. The figures of George Washington and Franco Harris that you passed in the airport at the top of the escalators are from the History Center. The museum is only 2 blocks from the Doubletree Hotel.
http://www.pghhistory.org/

Point State Park -- Get to the Point! Take a walk or have lunch in Pittsburgh’s Point State Park. “The Point” is where the Monongahela and Allegheny Rivers come together to form the Ohio River.
http://www.dcnr.state.pa.us/stateparks/Parks/point.aspx

The scenic view from Mount Washington will take your breath away. Ride the Incline to the top of Mount Washington from near Station Square.
http://incline.pghfree.net/

Gateway Clipper Fleet. Get out on the rivers by taking one of the inland riverboat excursions featuring sightseeing, dinner and specialty entertainment cruises. The Gateway Clipper Fleet is located on the Southern Bank of the Monongahela River in historic Station Square Downtown.
http://www.gatewayclipper.com/

Clayton - See how the elite lived in the 1800’s by touring Clayton, Henry Clay Frick’s home in Pittsburgh. For those of you who like a good urban legend – it is said that Henry Frick’s wife, Adelaide still roams the halls of her beloved Clayton.
http://frickart.org/home/

Carnegie Library & Museum of Natural History -- Philanthropist Andrew Carnegie’s legacy lives on in the Carnegie Library and the Carnegie Museum of Natural History.
Museum
http://www.carnegiemnh.org/
Library
http://www.clpgh.org/

The University of Pittsburgh – Cathedral of Learning & Nationality Rooms
The Cathedral of Learning is the second tallest learning structure in the world. Built in 1926 the Gothic Revival tower, was built to carry the message that education was the result of aspiring to great heights. The University of Pittsburgh is located in Oakland, approximately 15 minutes from downtown. http://www.tour.pitt.edu/tour-080.html

Kennywood Park - Get the scoop on beautiful Kennywood Amusement Park near Pittsburgh, PA, including hours, admission prices, directions, and the rides and roller coasters. Kennywood is a state and national historic landmark.
http://www.kennywood.com/

Fallingwater -- Considered by many to be the greatest residential masterpiece ever designed by Frank Lloyd Wright, Fallingwater is located just 90 minutes south of Pittsburgh. Get details on visiting and touring Fallingwater, learn more about its history and take a photo tour.
http://www.paconserve.org/index-fw1.asp

Laurel Caverns - This 430 acre geological park featuring Pennsylvania's largest cave is located just 50 miles south of Pittsburgh, just east of Uniontown, PA. One-hour family tours, 3-hour spelunking tours, and rappelling are just part of the fun.
http://www.laurelcaverns.com/