A total of 14 men held the title of "president" before George Washington—their historical legacies are enshrined in the lobby of a hotel.

Once a thriving business district, this former shopping area is now an urban ghost town in the heart of the city.

In a pedestrian tunnel on North Carolina State’s campus resides an expressive and artistic free-for-all.

This grove was planted more than a century ago by the War Mothers of World War I.

Designed by Horace Trumbauer in 1893, this Gothic-style castle is now a home for academics.

Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.

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

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

This statue intended for children to enjoy became a minor political spat.

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

One artist’s scheme to expand museum viewing hours into the evening led to the illumination of an entire city.

This impeccably preserved farmstead is a time capsule of a Pulitzer Prize-winning novelist's life.

Baltimore's first skyscraper may be home to the inspiration behind pulp fiction's most celebrated bird.

A lonely memorial to the Challenger Space Shuttle, honoring the astronauts who died in 1986.

This apartment building designed by a notable Washington D.C. architect housed the Qing Dynasty's Legation.

The "Sultan of Swat" once attended a school at the site of this baseball field.

During World War II, blimps were a key part of the United States' defense against German U-boats—this building could house a dozen of the armed airships.

These trees are living witnesses to events that inspired poet Walt Whitman’s service during the American Civil War.

History is hiding at the Morean Center for Clay.

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

Inside this community-run museum, visitors are treated to the history of toys and games.

Inside this old train depot resides a multi-line model train covering western North Carolina.

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

This tiny cottage surrounded by railroads is the oldest surviving structure in Fairmount Park.