Help us discover the city's best underground music by snapping a shot or sending us a video clip of your favorite subway performance.

On Wednesday, musicians will play their best songs in front of a panel of judges in Grand Central Terminal's Vanderbilt Hall in the hopes of being selected to be part of the MTA's Music Under New York program. Help us discover the city's best underground music by snapping a shot or sending us a video clip of your favorite subway performance.

Starting Thursday, yellow taxi passengers will find something new in the back of their cabs. It's not a stranger's cell phone. It's a poem.

On Friday, the New York City Department of Transportation unveiled a new temporary outdoor exhibit on a 50-foot corrugated fence under the Ed Koch Queensboro Bridge at the junction of Vernon Boulevard and South Queens Plaza in Queens. Check out photos of the show here.

Visitors and passerby to Grand Central Station can now take a look through a window in South Korea. For "Through My Window," the photographer Ahae took more than a million pictures through the window of his house, which overlooks an organic nature preserve in South Korea.

The underground show called "Union Square in Motion" is two digital lenticular linear zoetropes that project nine sets of still abstract images, which create the illusion of animation for commuters passing by. The project is, according to its creators, the largest of its kind in the world.

A Lower East Side trolley tunnel could be transformed into the city's first underground park, complete with greenery and a so-called remote skylight. The proposed park is called Delancey Underground because it would sit in a tunnel underneath Delancey St. near the base of the Williamsburg Bridge.

On Wednesday, 30 designers showed off bicycles they made for New York Fashion Week, which kicks off on Thursday. Check out a slideshow of the blinged out wheels here.

Zebadiah Arrington, 19, was arraigned in Queens Criminal Court on Thursday for spray painting his tag, "ZEB," onto seven New York City subway cars.

It's week two on a three-week free bike valet experiment in the theatre district and the verdict is: Not exactly a hit.

In the last five years, New York has added hundreds of miles of bike lanes and closed parts of Broadway to cars, a re-allocation of street space that has caused no small measure of controversy. But those plans? Child's play, compared to what a group of international planners wants the city to do: tear down the lower part of the FDR drive.