The Vermont square that inspired Shirley Jackson's "The Lottery."

The building that inspired Shirley Jackson's "The Haunting of Hill House."

All that remains of the once-booming chain is a single orange-roofed restaurant.

A mysterious echo seems to defy the laws of acoustics.

In a time before lifeguards, this house was a sanctuary for the shipwrecked.

Yo, Adrian!

This elaborate towering structure was once famed for its revolutionary height.

One of Philadelphia's largest murals resides hidden under this bridge.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

An Irish Memorial commemorating those who perished due to potato blight.

Alexander Hamilton’s creation caused quite a bit of controversy.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

A tunnel of hardened lava along Maui’s famous Road to Hana.

The front yard of an Upper East Side town house hides the last fragment of one of New York's most famous theatres.

This miniature village stays behind in the Breuer Building, even as the museums around it come and go.

The oldest bibliophilia club in America, with exhibitions on historic books and graphic arts.

Though the case is scorched and the buttons half-melted, this hardy handheld gaming device can still run a game of Tetris.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

More than 300,000 historical artifacts from the famous music venue, from Duke Ellington's handwritten score to The Beatles' booking slip.