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.

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

This claimant to the title of "smallest church in the 48 states" doubles as an equally tiny, quasi-post office.

The highest point in Maryland is only accessible by hiking through another state.

This museum explores the grim reality of life in the earliest British colonies in America.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

This abandoned sea fort has become an accidental bird sanctuary.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

This historic lighthouse was well known for the large number of women who served as its keeper.

This former asylum for Black Americans is haunted by its history of violence and racism.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

Time travel with sweets across history at this research-based candy store.

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.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

The highway's southernmost spot is a beloved local attraction.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

A monument celebrating the idea of reaching inaccessible places.

The island residents are known for taking their quirky sense of humor with them to the grave.

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

An isolated island home to one of the oldest English-speaking communities in the region and Maryland's state dessert.

The elevator hidden in a smokestack on Roosevelt's yacht now serves as a monument to the former president.

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.

A star fort along the C&O Canal in western Maryland that protected America in three wars.