A quartet of tiled art pieces adorn the floors of this prestigious art museum.

New York City's smallest piece of private property.

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.

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

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

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

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

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

In Wilmington's hip Trolley Square neighborhood, a utility box has been repainted to resemble a classic gumball machine.

Yo, Adrian!

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

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

This once-booming Gold Rush town is now home to a herd of feral donkeys.

One of the ghostly stops along Route 66.

An Oklahoma museum that celebrates the history of the "Mother Road."

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

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