The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

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

A menagerie of concrete animals brought together from across New York City's parks.

No monkeying around, this fountain was really named after the classic sci-fi film.

This small, hidden cove is home to abandoned boats.

Waterway populated with abandoned projects, including a submarine.

New York's southernmost subway station is whimsically wavy.

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

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

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

The flagship building of an early national restaurant chain is a superb example of terra cotta art.

A bit of retro transportation flair preserved in the world's largest department store.

Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

An homage to Jackie Gleason's bus-driving character from 'The Honeymooners.'

This semi-hidden Manhattan restaurant is based out of a loading dock.

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

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

Miniature art that tells an enormous story.

A model train wonderland hidden beneath Gare de l'Est station.

A huge railroad museum with over 100 pieces of rolling stock focusing on the railroad history of Pennsylvania.

This extraordinary model train layout covers over 1,700 square feet, with multiple trains running simultaneously.

A uniquely lettered street sign marks the corner where the iconic word game was invented.

An eerie, derelict amusement park in Berlin.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.