Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

The remains of a 19th century spring, and the site of an infamous unsolved murder.

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

Avoid gangster interaction while window-shopping.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

On the Hudson resides one of the largest clocks in the world.

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

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

This curved Manhattan building was built to house the opulence of John D. Rockefeller's oil empire.

Built hundreds of years ago this downtown iron barrier once protected a much despised king.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

A Hell's Kitchen synagogue that has counted stars of stage and screen among its congregation.

The man who was president for only one day and spent most of it asleep.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

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.

A 19th-century architectural wonder designed by the "father of the skyscraper."

The absurd creation is a compulsory destination for selfies in Buffalo.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

These markers are used to document elevation changes around the famed dam.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

Every January 6, young men dive into Spring Bayou in search of a cross and a year's worth of maritime blessings.

Built in 1927, this pink stucco hotel once hosted stars of Hollywood’s silent movie era. Now it's being brought back to life.