Rubbing the buttons along this statue's coat is considered good luck.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

The Guardian of Tallinn.

The oldest continuously operating pharmacy in Europe.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

A unique sculpture calls the outside of this steakhouse home.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

This iconic Lancaster everyman has been reading the same story since 1980.

A drab two-story office space in Delaware is a hidden tax haven for Hillary Clinton, Donald Trump, and over half the Fortune 500 companies.

Designated as an Underground Railroad research site.

The only U.S. Senator to die on the field of battle is buried in San Francisco but memorialized at Balls Bluff Regional Park.

The largest cemetery for enslaved people in Loudoun County was almost lost to history, if not for the research of a minister.

A secret rendezvous spot where John S. Mosby and his Rangers would meet to divvy up their loot after raids.

A graveyard that dates back over 200 years stands near a busy shopping center.

A former department store turned into a quirky restaurant.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

The smallest covered bridge in Maryland.

Herbert Hoover's "Brown House" rural presidential retreat was a PR disaster amid the start of the Great Depression.

This field of concrete was once an active defense site armed with nuclear warheads.

A mammoth pair of Civil War artillery guns abandoned out in the forest.

Remains of a historic fountain that was mysteriously lost in the demolition of a D.C. traffic circle.

Located at the former Lorton Prison the Lucy Burns Museum tells the story of the 91 year history of the prison including the dark chapter of its involvement in the women's suffrage movement.

The first national memorial to honor all women suffragists stands on land where suffragists were once imprisoned.

The last of nine massive kilns that produced many of the red bricks for buildings in Washington, D.C. and northern Virginia in the early 20th century.