Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

More than five miles of underground passageways.

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

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

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

Monument to the cotton-destroying boll weevil.

The highest point in Florida is still the lowest high point in the country.

For a time this small Florida town of less than 1,000 residents was the national leader in dismemberment.

Ancient church constructed with a special wood that preserves prints from the past.

A giant 400-acre preserve in North Florida for displaced wolves.

A tribute to the furry local heroes who helped get residents through many tough times.

The only Florida state park with publicly accessible caves.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

This sidewalk monument honors more than 50 civil rights activists who helped change the face of America.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

A quirky Poe-themed joint on an island keen to celebrate its overlooked connection to the famous writer.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.

This museum gives tribute to the underappreciated "Down-South Submarine."

Tucked away amidst some of the most famous addresses in the world is New York’s only fraction of a street.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

An unassuming secret door once led to a legendary watering hole.