Aerialist Rachel Mae Lancaster on the Moshulu in Philadelphia

Aerialist Rachel Mae Lancaster on the Moshulu in Philadelphia

BalletX company dancers rehearse for their Spring Series

BalletX company dancers rehearse for their Spring Series

BalletX company dancers rehearse for their Spring Series

BalletX company dancers rehearse for their Spring Series

BalletX company dancers rehearse for their Spring Series.

BalletX company dancers rehearse for their Spring Series

Lada Gaga performs in Philadelphia

Lada Gaga performs in Philadelphia

Lada Gaga performs in Philadelphia

David Byrne and the Talking Heads perform in Philadelphia

Old Crow Medicine Show performs in Philadelphia

Old Crow Medicine Show performs in Philadelphia

The big top tents of Cirque du Soleil's Volta

Charlotte Sumian-Hubener of Cirque du Soleil's Volta

Rehearsal of Cirque du Soleil's Volta

Rehearsal of Cirque du Soleil's Volta

Behind the scenes of Cirque du Soleil's Volta

Lydia Harper of Cirque du Soleil's Toruk

Behind the scenes of Cirque du Soleil's Volta

Sinead Cummings practices aerial yoga

Sinead Cummings practices aerial yoga

Lauren Raske, co-founder of the Ghostly Circus

The Ghostly Circus in Laurel Hill Cemetery