The 320-year-old tree that greeted General Lafayette and rerouted an interstate highway.

The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.

This seaside production studio was built to film 'Titanic' and has been the wet set of choice for other Hollywood productions since.

This Pringle-shaped ledge makes for the perfect photo op.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

Ever wanted the laymen's version of your credit card fine print?

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

The boulder on which Alexander Hamilton laid his head as he died can still be visited on the New Jersey coast.

This block in downtown Brooklyn was a hotbed of antislavery activism along the Underground Railroad.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Magnificent New Deal Murals evoke a time when New York City harbor was one of the world's greatest and busiest ports.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

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

First known as the "Sample House," this construction mash-up was meant to be a living catalogue of building styles.

Man-made geyser that rises to the exact height of the Gateway Arch.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

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

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

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

Once America's tallest structure, now a Baltimore landmark.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

The Home and murder site of the witch of Rehmeyers Hollow.