Brooklyn Battery Tunnel Ventilation Building

The (secret) entrance to the Men In Black HQ: The Brooklyn-Battery Tunnel Ventilator Building. - Stefan Thoss

Summer-time stop! It's always fun and refreshing to be out at night and see the wonderful fountain of the beautiful Columbus Circle. Grab a coffee and spend a little time here - ℳ????????♍

Working across this or the BK bridge at sunset is amazing - Richardo Jackson

The best view of the city is from the crown. It's a strenuous climb in cramped conditions but worth all the effort. - Carl Griffin

We love this park because it's not usually very crowded. It's a great place in the city to sit and relax and take in nature. - Joycott

Very well thought-out - respectful and informative. You simply must go. Use the phone app for an audio guide. - Steve Roberts

PHOTO: The tunnel opened for business in 1950. Click More Info to see a historic pic of one of the first cars to drive through! - The New York Daily News