Resting on a hill overlooking the coast, these medieval ruins look completely deserted save for their restored chapel.

This remarkable checkered church on a Corsican hilltop is fabled to have been built by angels.

This forlorn park is the result of a failed investment turned tax dodge.

Tasked with beautifying a disused stretch of industrial land one artist filled a hole with grass.

Mysterious stone tower featured in many alternative histories of the New World.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

Waterway populated with abandoned projects, including a submarine.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

The return of something once considered a basic part of life.

Once a ferry dock, radio transmitter, and now a new Greenpoint park.

Constructed in the 1920s, this former pencil factory is now an office building.

Once called Winthrop Park in 1889, home to a decidedly sexy tribute to the Monitor vs. Merrimac battle.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

Sniff the Titan Arum's rotting flesh.

This city park was once a lookout point for George Washington’s army during the Battle of Brooklyn in 1776.

Detailed facade of a brownstone in Boerum Hill.

A popular European tradition makes its way to the states on one of America's most famous bridges.

The one-time epicenter of American songwriting is now a little remembered Manhattan commercial block.

A 19th-century politician who died after walking home in a blizzard is honored with this Manhattan statue.

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

The most confusing clock in New York.

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

Amid the marketing blitz of modern Times Square is an elegant holdover from its showbiz glory days.