You don't have to be a diplomat to visit the so-called Camp David of the West.

Traversing these canyons, visitors can take in stunning views and glimpses of the region's history.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

Since 1985, this Victorian home has operated as a museum filled top to bottom with American-made glassware.

The only museum and archive west of the Mississippi that is dedicated to the study of Abraham Lincoln.

This impressive tunnel was dug entirely by hand over the course of 36 years.

This Manhattan skyscraper is a reminder of the brief but glorious age of urban air taxis.

A simple midtown bar was once the home of a secretive and exclusive club staffed by "bunnies" under Hefner's strict rules.

There's a piece of New York City transportation history hidden in plain sight at a Manhattan subway stop.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

This nearly invisible wire transforms much of the city into one big, symbolic home on the holy day.

A remnant from the golden age of aviation still in use today, Pan Am's Clipper service took off from this Art Deco gem.

The 28-foot granite map plots the locations of 40 theaters in New York City.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

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

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.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

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

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

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.

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

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

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

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.