A haunted hill that supposedly defied gravity.

This historical swimming pool near Miami is emptied and refilled each day with naturally filtered water.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

The longest non-mortared wall in the country is one man's tribute to his displaced Yuchi ancestor's five-year journey to her homeland.

Monument to the cotton-destroying boll weevil.

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

Designed by Maya Lin, the memorial honors 41 individuals who died fighting for equal rights between 1954 and 1968.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

What else would you call a playground hidden in Alabama's oldest and largest cemetery?

A miniature city built by a single hunchbacked monk.

One person’s lost luggage is another person’s treasure.

This structure among the trees was the result of divine inspiration.

A key producer of charcoal iron in the early 1800s, the structure still stands today.

This Tennessee museum is dedicated to a tragic railroad hero who inspired the famous ballad that bears his name.

Mysterious library of an infamous financier and spiritual seeker.

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

This simple, broken column marks the final resting place of one of America's most famous explorers.

Over a dozen Native American earth mounds dating back over 2,000 years dot this Tennessee archaeological park.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

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

An oversized metal construction of Billy Tripp's moods going through life.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

The first full-scale tunnel built in America is short but scenic.