Beautiful mosaics cover the first stations opened on New York City's newest subway line.

This Fifth Avenue church has long been the favored worshiping place of Broadway actors and vaudeville performers.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

What happens here stays here – unless it affects the whole world.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

The highest point on the island known for buildings that touch the sky.

A mysterious echo seems to defy the laws of acoustics.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

A posh members-only club with a literally dramatic history.

100 massive sculptures in the Hudson River Valley.

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

This Dutch Colonial home is the oldest remaining farmhouse in Manhattan.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

A Manhattan office building is home to the world's largest chess board.

The most confusing clock in New York.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

A winding, cliffside stretch of road overlooking the Delaware River.

The site of the deadly Triangle Shirtwaist Factory Fire.

The notorious headquarters of a corrupt political machine.

Commemorating the spot where the famous scientist fed his pigeons.

An odd, ancient window that may have once been part of a brutal prison is embedded in the side of New York's Police Plaza.

Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

A whimsical, but often overlooked clock in Park Avenue.