Below is a collection of images from the day's events.
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Women dressed as Steampunks watch an aerial performance by the Secret Circus, Sunday, June 12, 2016.
Thom Carroll/PhillyVoice
Performer, Katie Horton of the Secret Circus balances on a trapeze during a performance at Morris Arboretum's 'Steampunk Expo.'
Thom Carroll/PhillyVoice
Events were held in different locations throughout the Arboretum, allowing the attendees a chance to walk around the grounds.
Thom Carroll/PhillyVoice
Mark Wong and Nicole Burgio perform a routine with the Almanac Dance Circus Theatre as part of the Automatic Arts' 'Nice and Fresh' series.
Thom Carroll/PhillyVoice
Lauren Johns, Ben Grinberg, Nick Gillette and Nicole Burgio perform with the Almanac Dance Circus Theatre as part of the Automatic Arts' 'Nice and Fresh' series.
Thom Carroll/PhillyVoice
Spectators watch the Almanac Dance Theatre's performance on Sunday afternoon.
Thom Carroll/PhillyVoice
Lauren Johns, Ben Grinberg, and Nick Gillette perform with the Almanac Dance Circus Theatre as part of the Automatic Arts' 'Nice and Fresh' series.
Thom Carroll/PhillyVoice
Alfanso Todd visited Morris Arboretum's Steampunk Expo on Sunday, June 12, 2016 from Allentown, PA.
Thom Carroll/PhillyVoice
The 'Nice and Fresh' performance was accompanied by live music.
Thom Carroll/PhillyVoice
Lauren Johns, Ben Grinberg, Nick Gillette and Mark Wong toss Nicole Burgio during a performance on Sunday, at Morris Arboretum.
Thom Carroll/PhillyVoice
The family-friendly event brought out people of all ages, including these two girls that made steampunk goggles for the expo's Instagram fashion contest.
Thom Carroll/PhillyVoice
Performer, Rachel Scott of the Secret Circus balances on a trapeze during a performance at Morris Arboretum's 'Steampunk Expo.'
Thom Carroll/PhillyVoice
Professor of Arms, Mark Donnelly, right, hosted a Bartitsu workshop, teaching Victorian-era self defense techniques.