A Mexican Romeo-and-Juliet-esque legend has given this super-narrow alleyway a reputation for romance.

Kitschy horror displays now fill the house where some very real serial killing took place.

Mexico's astounding mummy museum with "the world's smallest mummy."

The mall's looks were inspired by the cowboy extras who used to meet up—and cause real trouble—at this Hollywood hub.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

The blinking light atop the iconic landmark has been sending secret messages for decades.

Outposts of this restaurant chain were shaped like jaunty chapeaus.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The lesser-known Alice sculpture of Central Park dedicated to the “godmother of American children.”

An eerie diorama that captures the majestic nature of a few prehistoric-looking beasts.

The longest step street in the city.

You must take the A train... to the last active cemetery in Manhattan.

This mysterious marker puzzles pedestrians and infuriates geographers.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

The artist and New York City icon lived, worked and died in this converted carriage house owned by another iconic artist, Andy Warhol.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

The site of the deadly Triangle Shirtwaist Factory Fire.

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Historical figures from New York City's Catholic community reside in Midtown.