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

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

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

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

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

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

A crumbling hospital from the 1850s on Roosevelt Island.

A terrific purveyor of natural history objects and curios.

Featuring one of the most complete and original collections of Presidential memorabilia, this is the site of the last front porch presidential campaigns.

The inventor of the iconic Pringles can was so proud of his invention he was buried in one.

The final resting place of the most famous sharpshooter.

Indiana's shrine to the sport that has become a hallmark of their culture.

This library and museum is dedicated to the life and literature of the Indianapolis native author.

The humble Hoosier roots of a famed Broadway composer.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

The famous author's birthplace is preserved in a town that he once described as narrow-minded.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

The townhouse where the English poet created some of his most influential work has been preserved in tribute.

Where the writer penned his famous story about a jumping frog.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.