Headquarters of the world's fourth largest Hasidic sect and the first of many "770s" around the world.

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

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

Painstakingly built dioramas sit unnoticed in a Boston office building.

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

An enormous, inside-out glass globe built in 1935.

Memorial built in 1922 in remembrance of WWI casualties.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

One of only two commuter aerial tramways in the United States.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

A crumbling hospital from the 1850s on Roosevelt Island.

There must be a pun in this haystack somewhere...

The most confusing clock in New York.

A modern zoetrope on the New York City subway.

A Collegiate Gothic quadrangle that surrounds an 18th century secondary school whose financing came from the likes of Alexander Hamilton and Aaron Burr, among others.