From scholastic to sepulchral - now under reconstruction.

This giant boulder is sandwiched between apartment complexes in upper Manhattan.

Peek through the gates at this oasis from the city, full of Old English charm.

This poignant display is now a memorial to these regionally extinct species.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

This Upper East Side apartment co-op was designed as a tuberculosis sanitarium.

This tiny store is your one-stop shop for all sorts of rare and wonderful buttons.

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

A whimsical, but often overlooked clock in Park Avenue.

New York City's only preserved family home from the 19th century.

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

The home of the first American-born saint is one of the only curved buildings in New York.

This unique house, the only one of its kind in Brooklyn, was built as part of a real estate developer's showcase.

These century-old townhouses contain some of the first car garages built in the United States.

This secluded ruin was once a home for exotic plants.

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

Sniff the Titan Arum's rotting flesh.

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

Home to first responders to Greenpoint's devastating oil fires.

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.

Once a ferry dock, radio transmitter, and now a new Greenpoint park.

A collaborative art project that transformed a neighborhood in NYC's Queens.