This unusual apartment building may be Brooklyn's own version of the Leaning Tower of Pisa.

If it hadn't been caught in time, a flaw in the design of this Manhattan skyscraper could have led to its collapse.

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

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

One of the remaining markers of an era when Brooklyn and Flatbush were separate cities.

This controversial statue has migrated twice in its life.

This former water source for the City of Brooklyn is now a thriving natural wetland.

In Little Caribbean, an ice-cream shop serves up regional flavors, including soursop, Irish moss, and "greatnut."

The façade of this building looks like a bingo board, but it's really a giant clock by a famed graphic designer.

The final resting place of a former Dodgers and Mets player can be found in central Brooklyn, in the first diocesan cemetery for Catholics in the borough.

What was once a vast naval cemetery is now home to nesting birds and pollinating bees.

A series of fish plaques that are embedded in the malls of Ocean Parkway.

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

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

This collection of grinning ephemera has grown from basement to Brooklyn.

A living archive of urban activism and space reclaimed.

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

Two New York rooftops are home to the largest rooftop soil farms in the world.

A dilapidated dock tells the story of Titanic's missed arrival.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

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

The return of something once considered a basic part of life.

Compensation for the destruction of a historic shipyard.

A 9-story, poured concrete structure which was used as a glue factory with an indelible smell.