Visitors to this arboretum are greeted by three smiling giants crafted from sustainable materials.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

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

The highest point in South Carolina was once owned by an energy company that neglected it but now the state is taking it back.

Georgia's highest point was given its strange name thanks to a simple translation error.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

A remote hill on a stretch of country road where the laws of physics are defied... or so it seems.

The highest point in Virginia can only be reached by passing through ponies and flowers.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

This replica of the Greek structure is in the heart of Nashville.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

Less a museum than a bizarre fantasy world created by artists and engineers.

This 19th-century sugarcane plantation is one of the most well-preserved estates of its kind, including its original quarters for enslaved laborers.

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

Amazing taxidermy dioramas from the 1960s in a cement building meant to look like an ice cave.

You can climb to the summit of Black Mountain, as long as you sign the waiver.

A local scoured more than 1,000 acres for stone to create his masterpiece.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

One of the few surviving "Wigwam"-themed motels.