📜 Historic columns of the Mellon Institute in Pittsburgh. 🔍 Sections deliberately left uncleaned to remember the city's smoky past. Built in 1937, it's a grand temple to science and part of Carnegie Mellon University. # Why Go 🏛️ Admire grand Greek Parthenon-style architecture and historical significance 📸 Popular spot for photography (weddings, graduations, movies, filming) 🏙️ Witness a unique reminder of Pittsburgh's industrial history and learn about cleanup efforts # Tips 📍 Located at 4400 Fifth Avenue, Pittsburgh.