A collection of outdoor art by renowned muralist Robert Dafford depicts the history of a flooded city.

A 22-foot stainless steel quilting needle pays tribute to a local connection to fiber arts.

A visualization of three catastrophic floods that led to the creation of the famed Flood Wall.

Twenty-eight years after this local landmark was washed ashore by hurricane Hugo, it was washed away by hurricane Irma.

Two flush headstones mark the only known graves to be embedded in an airport runway.

A statue honoring 44 continuous years of greeting passing ships.

A monument to one of the few Olympic flames ever to be lit outside of the host city.

This twisty sign depicts the chain's first logo.

This kitschy tavern is also home to rare early editions of "Treasure Island."

This former mining town was named the most toxic town in America.

A 40-foot waterfall flows into this unique natural swimming hole.

A version of this picturesque mill has existed since the 1800s.

An average of 33 million gallons of water pour out of the collapsed cave at the heart of this spherical spring.

A historic, scenic mill that was forced to close due to overlogging.

Around 50 million gallons of water flow from this spring every day.

This South Carolina water tower is an icon of the city of Walterboro, but it also once served as the county jail.

The only working large-scale tea plantation in the United States.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

The start of the group that straightened the teeth of a nation.

The only mill in the state that features a covered bridge.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.

A sulfuric martian landscape that looks far better than it smells.