Dedicated to the man who created the first radio wave communication system.

The only female equestrian statue in Washington, D.C. is a 15th-century French heroine.

This poor little statue is the most vandalized memorial in Washington.

The rock on which Moll Dyer was found frozen to death is said to still bear her handprint.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

The final resting place of a physician rescued during the bombardment of Fort McHenry.

An overlooked tribute to one of the most important peace deals in American history.

Behind an abandoned storefront is an example of pioneering 1930s gas station architecture.

A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.

A brass and marble scale model of the solar system embedded in the concrete.

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

A public art jibe at one of the United States’ oldest and longest-serving senators.

A terrace reminiscent of Rome's Spanish Steps is tucked away in a little park in Washington, D.C.

A small park honors the legendary Ukrainian poet.

A controversial blue hoop has been puzzling freeway drivers since 2013.

The ruins of the "20-year town" lay out among the mountains of Alberta.

This 20-foot-tall sculpture is in honor of the herd of bighorn sheep that call Radium Hot Springs home.

A roadside attraction fit for a giant.

Canada’s surprisingly controversial monument to Dwight Eisenhower.

Since its original beginnings as a weather observatory mountaintop, this facility played an instrumental role in gathering atmospheric data for almost 100 years.

The oldest natural history museum in western Canada houses more than 5,000 vintage botanical and zoological specimens.

The natural hot spring that was integral to the creation of Canada's first national park.

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.