Cryptic messages embedded in the New York City sidewalk.

The first museum in the United States dedicated entirely to posters.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

This curved Manhattan building was built to house the opulence of John D. Rockefeller's oil empire.

A celebration of capitalism in Midtown.

The only remaining Jewish congregation in Greenpoint.

The origins of midtown Manhattan's anachronistic wooden farmhouse remain a mystery.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

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

The only remaining building in New York to see the inauguration of a president is being slowly overtaken by a grocery store.

Constructed in the 1920s, this former pencil factory is now an office building.

This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

Discover for yourself what Herb Caen referred to as "the best kept secret in the Bay Area."

The hermits of Karoulia protect their asocial lifestyles by living on the vertical face of a treacherous precipice.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

“Wagon Jobber" turned smokehouse magnate's family-owned business is still going strong 100 years later.

Known as the "Forgotten City" it was home to industry, riots, artists, squatters, and to one of the largest single disaster fires in New York City.

The ruins of a medieval village that was abandoned after a 19th-century inferno.

The only surviving fragment of the lost Narragansett Pier Casino.

The stone walls of a home built to withstand a California wildfire still stand after more than a century.

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.

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

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Hidden behind a gate in Greenwich Village is a little farmhouse that once served as the writing studio of a bestselling author.