This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.

The first piece of public art dedicated to LGBT rights.

Surrounded by low rise buildings and partially converted into an auto body shop, this marble archway is the only vestige of a forgotten Manhattan estate.

The one-time epicenter of American songwriting is now a little remembered Manhattan commercial block.

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

This Dutch Colonial home is the oldest remaining farmhouse in Manhattan.

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

There must be a pun in this haystack somewhere...

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

The most confusing clock in New York.

Phil Mortillaro uses keys to bring art back to the Village.

Little Red Lighthouse under the George Washington Bridge.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

Rummage through this sunken ship, but leave your scuba gear at home.

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

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

Avoid gangster interaction while window-shopping.

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

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

An artist's cute bronze subway sculptures belie his violent artistic past.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

During the holidays, a vintage subway train whisks New Yorkers back in time.