Exact replica of the ancient monument, but much, much lighter.

Giant busts of 42 U.S. presidents sit, crumbling in a field in Virginia.

This colonial mansion has been home to a staggering number of American historic figures.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

Nassau Hall has served as army barracks, a museum, and played a key role in the American Revolution.

The final resting place of many of New Jersey's most famous residents, including U.S. history's most in-vogue antagonist, Aaron Burr.

A museum and research center dedicated to preserving the history of Rolls-Royce and Bentley motorcars.

A Civil War Museum with some notable medical antiques.

This statue of the "father of television" stands prominently in the United States Capitol.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

A quirky collection of outsider art made from automobile parts.

Dogs, cats, horses, monkeys, frogs, and fish are laid to rest at the second-oldest pet cemetery in the U.S.

The romance of early commercial flight still fills this Art Deco destination.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

America's first federal monument.

The tomb was guarded by soldiers from both sides of the war, and some left their initials carved in the brick.

A former major munitions plant that has been converted into a sprawling art space.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

The narrowest house in America is seven feet of pure spite.

This grave marks the passing of a historic Jane Doe whose identity remains a mystery to this day.