The little-known final resting place of one of America's greatest writers.

The wooden octagon in which Huckleberry Finn and A Connecticut Yankee were born can still be visited in upstate New York.

This jail which was in service for over a century is now open for curious visitors.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Magnificent New Deal Murals evoke a time when New York City harbor was one of the world's greatest and busiest ports.

The home of the first American-born saint is one of the only curved buildings in New York.

A local landmark with generations of spraypainted messages, and more being added each day.

A bizarre roadside attraction and the first instance of miniature golf in the world.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

A bit of retro transportation flair preserved in the world's largest department store.

More than five miles of underground passageways.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Built hundreds of years ago this downtown iron barrier once protected a much despised king.

This historic train station has been converted to a locomotive themed hotel.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

Once America's longest-manned military fort, now an abandoned hulk.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A town trapped in time - 1958 to be exact.

Failed state-supported institution meant to rehabilitate students with intellectual disabilities.

One-time largest man-made structure in the world will be a park in 30 years.

This New Orleans statue of a portly figure in a goofy hat pays homage to a classic of satirical literature.