I stand corrected about the Bahai Temple; it's Sri Venkatewara Temple of the Hindu-Jain faith:
And it's very visible from the highway, near Monroeville (east of Pittsburgh).
FYI, I found "the definitive list of houses of worship in Pennsylvania". My own church, there since 1773 (232 years ago, for those who don't feel like doing the math) is
not on that list!
Definitive? I think not.