19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

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

This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.

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

The Boston square dedicated to the dark poet who was born nearby.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Statue commemorating the use of ether in anesthesia.

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

This small glass cube is a peaceful out-of-the-way sanctuary at the busy airport.

A dedication plaque on this Boston tunnel is a microcosm of a massive, controversy-laden construction project.

Museum dedicated to awful artwork.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

This speakeasy continues the Prohibition-era legacy of Harlem's jazzy Swing Street.

Harlem park dedicated to compulsive hoarders killed by their own junk.

The legendary court where emerging basketball players gain their street cred.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

Walking around West Harlem reveals a scavenger hunt of beautiful bird murals.

From scholastic to sepulchral - now under reconstruction.

One of the only single-person private gravesites in New York City.

This giant boulder is sandwiched between apartment complexes in upper Manhattan.

The "Seinfeld" diner.

This small New York museum celebrates the mountainous artwork of a Russian mystic.

Hiroshima survivor on Riverside Drive.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.