An overlooked oasis of quiet on the grounds of Washington's monumental basilica.

Largest Roman Catholic church in North America.

The Forest Service's surprisingly sophisticated collection of wildfire prevention art features America's most beloved bear.

The development and impact of electronic media showcased in a picturesque farmhouse in Maryland.

The privately owned cemetery that holds room for Washington's finest when they step down from life.

An unusual sculpture, an interesting history, in a strange place, for a good cause.

Once the supplier for noteworthy projects like the National Cathedral, this old brickworks now lies abandoned.

Politicians, bureaucrats, and military officers gathered in this field near the Capitol to settle their disputes with blood.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

An eponymous directional signpost erected by the first president of the United States.

This abandoned church languishing for decades is now one man's passion project and subject of paranormal investigators.

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

At Brandy Station, Civil War soldiers left their mark on the battlefield and the walls of this small wooden house.

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

Penn State's giant bug collection.

One of the few brewers in the U.S. experimenting with hop-free beers.

An 18th-century home taken over by antique automatons and musical machines (Closed).

A son's promise to his dying father in the form of a covered bridge filled with thousands of seashells.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

This cannonball stands as a reminder of the final act of a fleeting governor amidst a revolution.

In this relatively flat state the highest point is an honored place.

Abandoned former poorhouse, bible college, and haunted house in an Ohio hamlet.

This moving cemetery sphere is a slowly rolling stone.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.