This supermarket is suspended 25 feet above an interstate highway.

The 1920s child prodigy author was last seen here at her Brookline home before vanishing at age 25.

The final resting place of the first documented Chinese person in the United States lies in a Boston cemetery.

Dedicated to a colonial woman who was hanged for being a Quaker.

The former home of a Boston physician whose murder led to a revolution in forensic science.

Created by a local artist, these quirky sculptures each have their own names and personalities.

A men’s restroom became a sandwich shop.

Statue commemorating the use of ether in anesthesia.

The Boston home of a conductor on the Underground Railroad.

An anonymous art project beneath Longfellow Bridge where hundreds of trophies line the steel support beams.

Harry Houdini plunged into the Charles River and performed one of his escape acts here in 1908.

Former home of an abolitionist couple who escaped slavery and established the most active Underground Railroad stop in Boston.

A beacon atop a downtown building provides Bostonians with weather forecasts and baseball news.

Dedicated to the neverending mathematical constant, this plaque next to a park bench was sponsored by an anonymous benefactor.

In 1958, an MIT fraternity pledge laid down on this bridge and instituted a new, unique unit of measurement.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

America's original house of worship for Spiritualism, the religious movement based on communing with the dead.

The former locus of Boston's high culture has been shuttered and buried for over 70 years.

A tiny plaque marks the location of the water source that facilitated the birth of modern-day Boston.

Dedicated to one of the darkest moments in Irish history, this memorial has faced its fair share of backlash.

This statue intended for children to enjoy became a minor political spat.

A more than 260-year-old crypt built on Boston's oldest English burial ground.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

A former waterfront market is now in the center of town due to some interesting Boston engineering.