Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

The mass grave of a heroic Revolutionary War regiment sits below an empty lot near the Gowanus Canal.

The 28-foot granite map plots the locations of 40 theaters in New York City.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

Amid the marketing blitz of modern Times Square is an elegant holdover from its showbiz glory days.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

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

Visit the monolithic tomb of America's most famous general.

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

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

Slyly buy a shake in the Parker Meridien lobby.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

A beautiful collection of architectural ornaments rescued from demolished New York City buildings.

This metal eagle one of the final remnants of a newspaper that wanted to keep Brooklyn to Brooklyn.

The façade of this building looks like a bingo board, but it's really a giant clock by a famed graphic designer.

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

A one-ton statue of Steve Rogers beautifies the entry to a Brooklyn Bed, Bath & Beyond.

The highest rapid transit station in the world.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

While it now takes more than a dime to open an account this historic Brooklyn bank still displays the opulence of the gilded age in which it was built.