The original toys that inspired the beloved children's stories are on display at the New York Public Library.

During the holidays, a vintage subway train whisks New Yorkers back in time.

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

New York City's smallest piece of private property.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

A hands-on traveling collection of the innovative devices of yesteryear.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

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

This little museum is built on a theater that was once a wildly elaborate speakeasy.

A dilapidated dock tells the story of Titanic's missed arrival.

Elevated freight railway turned wildly successful urban park.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

Gorgeous cave resemble a winter wonderland.

Roadside collection of 65,000 signs.

A tiny wilderness cemetery commemorates the deadliest episode of the Klondike Gold Rush.

A historic Montreal market that was the city's agricultural hub for over century.