The oldest arched-covered bridge in Virginia has truly withstood the test of time.

The former home of the man whose radical ideas changed the nation.

A small and somewhat hidden memorial to 68 local veterans of the Vietnam War.

Remnants of a wall built to separate Black residents of Hall's Hill from a newly built subdivision are a grim reminder of segregation in 20th-century Virginia.

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

Built to defend Washington D.C. during the Civil War, this fort became a post-war nucleus for a thriving Black community.

This cannon dating to 1755 has stood guard at this suburban intersection since 1915.

This brick-lined pedestrian walkway was once a railway tunnel used during the Civil War.

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

A hidden alley in urban Baltimore is a haven for graffiti artists.

The only place for a truly presidential dram.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

Born a slave on the Arlington estate, Parks dug the first graves at Arlington National Cemetery, and was buried there, too.

Featuring the largest CinemaScope screen in Pennsylvania, this drive-in has entertained moviegoers for more than half a century.

This jail which was in service for over a century is now open for curious visitors.

This park contains a number of standing stones meant to heal and inspire.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

Mysterious rocks that ring musically when struck.

One of the oldest active carousels in the country—but it might be missed by all but the keenest-eyed boardwalk strollers.

The solitary grave of a schooner captain killed by lightning while serving biscuits.

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

A Civil War Museum with some notable medical antiques.

Home of the only civilian casualty at the Battle of Gettysburg.