The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

The narrowest house in America is seven feet of pure spite.

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

The ruins of this long-abandoned unsuccessful gold mine can still be found.

An out-of-place Air Force radar dome is all that denotes this park as a former missile launch site.

The hidden ruins of a mill that is linked to an attempt to assassinate the vice president of the United States.

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

Scary stories haunt this wooden bridge.

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

The longest-covered bridge in the state of Maryland.

The highest point in Delaware is located under a trailer so this marker across the street will have to do.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

This relief sculpture depicts America’s most famous coffee break.

This 17th-century place of worship still celebrates holidays in the traditional Swedish fashion.

This relic is one of the last survivors of the earliest eras of the American railroad.

Live chainsaw carvings of tiki statues aim to keep a tradition with ancient roots alive in this small Delaware town.

Explore the legends surrounding these mythical sea creatures inside this museum.

The land is home to swimming ponies and a legendary 18th-century treasure.

This building at the south end of the boardwalk was once home to the U.S. Life-Saving Service and the U.S. Coast Guard before being rescued itself.

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