Possible relics of the ancient Roman city are hidden in this restaurant's façade.

Church in Manhattan holds the bloody sock of Padre Pio, among with many other unusual relics.

A prohibition era watering hole for the police.

A famous songsmith's custom piano, dubbed "High Society," is hidden just out of sight in one of New York's finest hotels.

A Gothic-style abode built to accommodate the church's three resident peacocks.

Beautiful mosaics cover the first stations opened on New York City's newest subway line.

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

What happens here stays here – unless it affects the whole world.

One of the city’s oldest watering holes was originally the home of a famous James Brown (not that one).

A Ukrainian church canteen doles out hearty fare in an East Village basement.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

A posh members-only club with a literally dramatic history.

A sculptural commentary on capitalism pokes up from the East River.

This Russian bar-restaurant lies within a three-story underground bathhouse.

This former crime corner has been turned into an eclectic community center.

Behind a grungy bodega facade, a Poblano family serves rich, home-cooked meals.

Phil Mortillaro uses keys to bring art back to the Village.

A Manhattan office building is home to the world's largest chess board.

An extensive collection of fine art devoted to man's best friend.

The artist and New York City icon lived, worked and died in this converted carriage house owned by another iconic artist, Andy Warhol.

Discover the taste of mold.

A good place to research the Freemasons, esoterica, occultism, and hermeticism.

The site of the deadly Triangle Shirtwaist Factory Fire.