Lehigh Valley barge No. 79 still gets tugged along - but now it houses a museum and unusual performances.

Retribution for death of infamous mob boss Franie Yale was a case of mistaken identity.

A mass grave for victims of one of the city’s worst fires.

Final resting place of Typhoid Mary.

New York's unstoppable progress turned this cemetery into the smallest burial ground in the city.

New York's southernmost subway station is whimsically wavy.

Monument to a forgotten NYC disaster that claimed the lives of 1,000.

Where infamous mobster and leader of Murder Inc. Albert Anastasia made his home.

This vacant church in the Financial District was once the heart of New York's first Syrian immigrant community.

This nearly invisible wire transforms much of the city into one big, symbolic home on the holy day.

The competition: breathe deeply as long as you can.

Amid the clacking of snooker balls, diners tuck into fiery Bhutanese fare.

A working monastery hidden away in Brooklyn once abutted the location of a former inebriate's home.

A replica of a 7th-century church hides in plain sight in the middle of the concrete jungle.

The mass grave of a heroic Revolutionary War regiment sits below an empty lot near the Gowanus Canal.

These historic buildings once housed the headquarters of one of the most infamous gangs of New York.

Manhattan's Thirteenth Avenue was made on landfill then deliberately destroyed — apart from one small, obscure block.

A monument stands to the famous suffragist who penned the declaration for women's equal rights, including the right to vote.

A heartbreaking monument showing the last morning in the life of Jane Griffith.

The greatest real estate coup of all time.

This 220-year-old house is a reminder of New York City's Dutch past.

This study room in the New York Public Library saw the creation of one of contemporary America's greatest traitors.

Set sail on a small scale.

This Orthodox Church's exterior is rather unorthodox.