This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

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

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

This (occupied) house is 10 feet wide and full of spite.

Nondescript elevator doors open to reveal a stunning, surreal world.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

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

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

A celebration of capitalism in Midtown.

On the top floor of an upscale department store stands a lavish restaurant housed in a replica of a luxury French dining car.

Home to the "Circus" trees created by Axel Erlandson.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

Unrepaired walls from a 1920 anarchist bomb attack.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

Read a book next to a Midtown waterfall.

New York City's smallest piece of private property.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

Magical-looking cottages that inspired one of the most famous animated films ever.

Established in the '60s, a family-owned tropical drink bar founded by Ray Buhen, bartender to the stars.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

Reforestation in action is the main attraction in this abandoned quarry.