The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

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

Nikola Tesla's former home contains an homage hidden from plain sight.

New York City's smallest piece of private property.

A very classy 1920s-era bar right in Grand Central Station.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

A restaurant on Staten Island showcases a different grandmother’s cooking every night.

The "Seinfeld" diner.

A hip bar decorated with walls of golden skulls.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Elevated freight railway turned wildly successful urban park.

Try not to get slimed in Tribeca.

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

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

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

A crumbling hospital from the 1850s on Roosevelt Island.

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

This public art piece proves that in Portland even reporting the weather is a thing of whimsy.

This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

A library of only unpublished manuscripts.