A time capsule of Floridian history fights to survive on the banks of Chokoloskee Bay.

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

"If she'd leave us alone, we would have a happy home, sent from down below."

The second oldest continuously operating bar in Louisiana.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

This tiny, hurricane-resistant house in Galveston is one of the city's most notable architectural oddities.

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

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

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

Built by the patriotic residents of Boonsboro in a single day.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

A Maryland museum dedicated to Black history, housed in a historic church.

This statue honors the author's groundbreaking family story.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

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 1830s store is believed to be the site of Harriet Tubman's first stand.

This one-room schoolhouse played a significant role in the education of Black children for almost 100 years.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."

This one-room cabin where the young colonel slept during the French and Indian War.

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