What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

Less a museum than a bizarre fantasy world created by artists and engineers.

These strikingly colorful paintings were created by a mysterious Mesoamerican civilization.

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.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

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

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

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

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

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

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

The "Seinfeld" diner.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

New York's oldest magic store.

Glacial erratic or man-made dolmen? It probably wasn't druids.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A popular European tradition makes its way to the states on one of America's most famous bridges.

Avoid gangster interaction while window-shopping.

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