This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

Home to items never before seen by the public.

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

A superbly preserved example of Georgian residential architecture that was once home to one of the founders of Alexandria, Virginia.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The oldest continuously operating fish market in the United States.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

Long buried under the 20th-century landscape, this lift lock of the Alexandria Canal is the lone remnant of an ambitious early American transportation project.

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

The World's Largest Bull.

One of Mexico's youngest major cities still holds on to this structure representing its short modern history.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

The island home of an unlucky whaling captain whose story inspired a great American novel.

A colossal statue with a controversial past, forgotten for more than 30 years.

Standing in this historic plaza is a statue representing one of Cuba's most iconic literary characters.

After the Cuban Revolution, the famous rum company had to leave their swanky headquarters behind.

No one knows the meaning behind this giant sculpture of a nude woman with a fork riding a rooster in Havana.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.

America's post-nuclear-attack chambers of Congress.