This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

A small museum along the Susquehanna River is home to a rich collection of Native American artifacts.

This secluded walking trail is a hidden gem of a Pittsburgh park.

The final resting place of two members of the infamous Doan gang, notorious outlaws and Revolutionary War Loyalists.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

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

The mortal remains of a Russian prince, priest and paranormal investigator who came to America in 1792.

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

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.

Long hidden under grime, the politically radical murals of a little known Yugoslavian master are finally getting their due.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

This elaborate towering structure was once famed for its revolutionary height.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

The home and studio of a visionary woodworker now stands as a museum and example of his artistic genius.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

The oldest farmer's market in America is so ancient it was approved by the King of England.

This Old Testament garden features 100 plants from biblical times.

The oldest surviving botanic garden in the United States.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.