The best place in the world to buy tinned fish.

This sprawling bookstore spans four floors and has more than a million books in stock.

Half-size replica of the Taj Mahal.

A small town in Rajasthan has been dubbed the "City of Stepwells," and Raniji ki Baori is the queen.

This magnificent stepwell is designed as an inverted temple and adorned with 1,500 sculptures.

A startling, centuries-old subterranean marvel hides in plain sight.

A deeply beautiful 15th-century stepwell with a tragic story.

A forgotten relic from New York's bygone trolley system hides in plain sight under a bridge.

The best place in New York to pick up the controversial, notoriously foul-smelling Asian "king of fruits."

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

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

Prove you deserve to be fed by Kenny Shopsin.

This semi-hidden Manhattan restaurant is based out of a loading dock.

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

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

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

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

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

Become a prohibition rebel.

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

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.