The resting place of a Civil War celebrity's amputated limb.

An original apothecary from 1792.

Museum houses an impressive display of the origin and artistry from the now-quaint invention's history.

The only tennis court that falls under the jurisdiction of the central bank.

The grand marble structure next to the White House is Andrew Carnegie's temple to Pan-American diplomacy.

The "lovely red Vega" of the legendary record-settling pilot.

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

The first neighborhood to implement the Garden City model in its suburban planning.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

This massive melon is a recreation of a similar gate from the Pan-American Expo.

Haven for steampunks.

A veritable variety of odds and ends.

Some of the best Persian food in New York comes from the front window of an unassuming pizza shop.

A long abandoned hospital building on the outskirts of NYC.

Once the center of food production for this small town.

Once home to the country's most gargantuan ships, this graving dock now waits for people to buy furniture.

On this island, you suck away your garbage via an elaborate pneumatic tube system.

An unassuming island in the middle of the Hudson that hosts campers, including Aleister Crowley.

The gilded vestiges of a sterling department store can still be found in a Brooklyn shopping center.

This abandoned ironworks was once the most important military supplier in America.

This unique crypt designed by Frank Lloyd Wright for his longtime friend was not completed in either man's lifetime.

Brooklyn's most iconic restaurant, resurrected.

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