- Cooper-Austin House - the oldest house in Cambridge
- Fire escape
- Plaque for Cooper-Austin House, the oldest house in Cambridge
- Apartment building near Porter Square
- Porter Square flag
- Porter Square flag
- Porter Square kinetic sculpture "Gift of the Wind"
- Porter Square kinetic sculpture "Gift of the Wind"
- Porter Square kinetic sculpture "Gift of the Wind"
- Porter Square station
- Porter Square - commuter rail entrance
- Porter Square station
- Government Center
- Government Center
- Blue Line train at Government Center