The site where Joe Gallo kept his guns, pet lion, and launched an all out mob war in 1960s Brooklyn.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

Brooklyn's Barkaloo Cemetery is the resting place of a scant two bodies.

The most confusing clock in New York.

Red frames showcase remnants of one of New York's original subway stations.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

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

A strangely angled West Village home is the only monument to an explosion that took the lives of three American revolutionaries.

A famous songsmith's custom piano, dubbed "High Society," is hidden just out of sight in one of New York's finest hotels.

Headquarters of the world's fourth largest Hasidic sect and the first of many "770s" around the world.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

Despite the ever pressing encroachment of urban sprawl this grand New Orleans manse still stands.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

Berlin's old airport.

I fought the law and the precinct caved in.

The greatest real estate coup of all time.

The saddest little diner in New York.

Phil Mortillaro uses keys to bring art back to the Village.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

Home to items never before seen by the public.

The "lovely red Vega" of the legendary record-settling pilot.

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

This otherwise innocuous bodega was once the headquarters of the most feared assassin's guild in American history.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.