Every winter, this tiny islet on Florida’s Gulf Coast is swarmed by some of the largest birds on the continent.

For 32 years the famous Ringling Bros circus troupe spent winters in this sunny spot in Florida.

Some believe Ponce de León's mystical spring lurks right under a public drinking fountain.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

This monument claims to display the first pot used to cook a famed Southern stew.

Dubbed the "smallest church in America," this tiny sanctuary was a local grocer's dream come true.

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

St. Augustine's record-setting narrow street was designed to protect against pirates.

"Not too many people can say they've had a nuclear bomb dropped on them, not too many would want to." — Walter Gregg.

A sign marks the plane crash that caused two nuclear bombs to fall in North Carolina.

An out-of-the-way wildlife haven with a rich and storied past of harboring thousands of fugitive slaves, or "Maroons" during the mid 1800s.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

The world's largest rotating world.

A beautiful, water-filled quarry that has become a popular haunt for swimmers and artists.

A nature and outdoor art preserve features the large-scale, abstract works of a renowned Maine folk artist.

Smoky, also known as "Yorkie Doodle Dandy," was a four-pound hero of World War II.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

A near tragic event on this bridge helped inspire the classic film "It's a Wonderful Life."

Launch vegetables using oversized slingshots at this Fingerlakes winery's roadside attraction.

A reproduction of a giant humanoid "fossil," a hoax buried locally for construction crews to find and gain national attention.

The final resting place for the famed creator and narrator of "The Twilight Zone."

The absurd creation is a compulsory destination for selfies in Buffalo.

A quirky collection of outsider art made from automobile parts.

A dam that moonlights as a gigantic, brutalist waterslide.