Look at this fun find!

Built in 1890, the Dr. John I. Peatfield House is located on an Arlington, Mass., side street in a National and Local Historic Register District.

Peatfield, who began his dentist career at age 21, retired at the age of 87 years old and was one of the oldest practicing dentists in the state. For a span of 17 years, he was the only practicing dentist in Arlington.

He died in 1937 at age 89.

The house has five bedrooms, two bathrooms and 2400+ square feet. It last sold in 1987 for $250,000. It is currently a two-family home and assessed at $1.13 million.