U.S. Constitution Day Celebration. Posner Center. 3 p.m.
David Harris, a distinguished faculty scholar and professor of law at the University of Pittsburgh School of Law, will lecture on “How Will America Be Remembered? A Constitution Day Journey Into the Future.” Light refreshments and a display of an original copy of the Bill of Rights will accompany Harris’s keynote.


Supersuckers with Hellbound Glory. Altar Bar. 7 p.m.
The country-influenced, self-titled “Greatest Rock ‘n’ Roll Band in the World” will perform at the Altar Bar. Tickets range from $15 to $17, and the event is open to all ages.


No Church in the Wild: Queer Anarchy and the Aesthetics of Chaos. Porter Hall 100. 4:30 p.m.
This School of Art-sponsored lecture fusing queer politics with anarchist thought will feature Jack Halberstam, a professor of American studies and ethnicity, gender studies, and comparative literature at the University of Southern California.


Book Launch: Counting Civilian Casualties. Porter Hall 100. 3 p.m.
Authors Taylor Seybolt, Jay D. Aronson, and Baruch Fischhoff will launch their new edited volume, Counting Civilian Casualties: An Introduction to Recording and Estimating Nonmilitary Deaths in Conflict. The book is targeted for readers ranging from policy makers to ordinary people who want to know more about how civilian casualties are recorded.

Alien She Opening Reception. Miller Gallery (Purnell Center for the Arts). 6 p.m.
Curated by former Riot Grrrls Astria Suparak and Ceci Moss, Alien She is a multidisciplinary visual art exhibit that explores the influence of the Riot Grrrls, an underground feminist punk movement that emerged in the ’90s. Admission to the Miller Gallery is free and open to the public.


Low Tides & Bucolic Daze. Hillman Center for Performing Arts. Through Sept. 22.
This exhibit features a collection of hand-painted photography landscapes and seascapes by artist Rosemary Pipitone.

Art Interprets Alzheimer’s. Society for Contemporary Craft Satellite Gallery. Through Sept. 29.
Sculptures by George Roby and photographs by Herbert Ascherman capture the emotional impact of Alzheimer’s through the eyes of patients and their loved ones.

Summer Flower Show. Phipps Conservatory and Botanical Gardens. Through Oct. 6.
The Summer Flower Show at Phipps incorporates glass artwork into the gardens, creating a colorful and whimsical fusion of the artificial and the natural. For more information, visit phippsconservatory.org.

Express Burlesque. Cabaret at Theater Square. 8 p.m. Through Oct. 12.
This exciting, burlesque-style dance revue combines an old burlesque feel with a provocative-yet-classy twist of today.

Defending the Caveman. Cabaret at Theater Square. 8 p.m. Through Oct. 20.
This is a one-man comedy show featuring humorous insights regarding gender and relationships.

Roads of Arabia. Carnegie Museum of Natural History. Through Nov. 3.
This exhibit transports visitors to the sands of Saudi Arabia, where recent archaeological finds redefine our understanding of the region. For more information, visit carnegiemnh.org.


14th International Exhibition of Botanical Art & Illustration. Hunt Institute for Botanical Documentation (Hunt Library, Fifth Floor). Sep. 27 through Dec. 19.
The exhibition will include 41 artworks by 41 artists from 10 countries. The Institute established the International series in 1964 with the hope of supporting and encouraging contemporary botanical artists. Every three years, the International series features the works of talented botanical artists from around the world.