You don't have to be an ambassador to dine like one.

The 28-foot granite map plots the locations of 40 theaters in New York City.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

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

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

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

A 19th-century politician who died after walking home in a blizzard is honored with this Manhattan statue.

Elevated freight railway turned wildly successful urban park.

An artist's cute bronze subway sculptures belie his violent artistic past.

Love is in the air along the small street in Brooklyn.

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

The mysterious canine hides atop a drain pipe on the back of the building, some say as a sneaky shoutout to Yale.

Nassau Hall has served as army barracks, a museum, and played a key role in the American Revolution.

A local prank turned town icon.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

This monument marks the beginning journey of a wounded soldier's leg that ended up almost two states away.