A semi-scholarly approach to sex.

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

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

This abandoned subway station can still be seen on regular commuter trips.

The notorious headquarters of a corrupt political machine.

The most confusing clock in New York.

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

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

Elevated freight railway turned wildly successful urban park.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

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

One of the city’s oldest watering holes was originally the home of a famous James Brown (not that one).

Local lore claims this rocky cape hides a lost Aztec treasure.

These sacred Mesoamerican ruins feature peculiar petroglyphs hidden in the stones.

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

Two monstrous warehouses. One now holds priceless works of art, the other stands abandoned and dilapidated.

A massive forgotten storehouse from 1913 on the Brooklyn Waterfront has a spectacular view of Brooklyn.

A retired oil tanker now offering amazing views of New York City.

A World War II-era submarine is stuck in the mud in New Jersey.

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

Once a flowing stream and where the USS Monitor, the world's first ironclad, was built and launched.

Jimi Hendrix's legendary recording studio in Greenwich Village.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.