Commemorating the spot where the famous scientist fed his pigeons.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

Once America's longest-manned military fort, now an abandoned hulk.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

Stunningly detailed mosaics in a New York subway station bring life to the Weimaraners of artist William Wegman's work—and to thousands of commutes.

One of the most dazzling dioramas at the American Museum of Natural History is also one of the oldest.

Here be dragons.

A controversial magical figure is hidden within a diorama of the city.

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

This magnificent herd of stampeding elephants has been frozen in time for over a century.

Hiroshima survivor on Riverside Drive.

This taxidermy scene brings the struggle for survival in the Indian jungle to a quiet corner of a Manhattan museum.

This impressive scene portrays the elusive forest giraffe of Central Africa.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

A whimsical, but often overlooked clock in Park Avenue.

The origins of midtown Manhattan's anachronistic wooden farmhouse remain a mystery.

A replica of a 7th-century church hides in plain sight in the middle of the concrete jungle.

A monument stands to the famous suffragist who penned the declaration for women's equal rights, including the right to vote.

An activist who committed her life to peace and women's suffrage.

Depression-era fun lives on in this Harlem museum dedicated to the sport of the street.

Where the four original members of the Ramones hung out and revolutionized punk rock.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.