The smallest covered bridge in Maryland.

Washed out by the Johnstown Flood in 1889, the surviving portion of the original two-span bridge now resides at Fishing Creek.

According to local history, this cast-iron canine was nearly melted down for bullets during the Civil War.

This hidden treasure provides a charming access point along the south side of Baker Park.

Historic barracks utilized during both the Revolutionary War and the Civil War.

Rumors persist that a bottle of whiskey is sealed within this Demijohn-shaped adornment.

One of the last schoolhouses constructed in the early 20th-century still standing in Montgomery County.

This suburban park recalls the history of a famous tavern. Despite the name, it's no ordinary place!

On the side of a Virginia highway, a collection of monuments commemorates an 18th-century trek through the Blue Ridge Mountains.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

FDR's Art Deco hospital tower was hopelessly inefficient.

This mighty white oak in Bethesda survived both the American Revolution and the construction of Washington D.C.'s metro red line.

This propitious plastic porcine has been petitioning park visitors to pick up after themselves for more than 50 years.

The longest spit in the United States ends at a lighthouse in the Strait of Juan de Fuca.

America's first serial killer rests in anonymity.

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

The corporeal remains of Napoleon III's dentist rest under this 15-story obelisk.

Step into a pastel time capsule where candy is truly dandy.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

Old neon signs from the City of Brotherly Love provide a snapshot of the city’s evolution.

This forgotten building was one of the few Philadelphia-area breweries to survive Prohibition.

The oldest surviving botanic garden in the United States.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

A layered tribute to the work of mosaicist Isaiah Zagar.