Nature's biggest mammal swims in landlocked Oklahoma.

It reportedly took three years to sort through all the objects in this eclectic lifelong collection.

Standing at 21-feet tall, this space cowboy adds to the legacy of Route 66's muffler men.

An acoustic anomaly with a mysterious cause.

This abandoned, windowless concrete block is one of the strangest buildings in Tulsa.

An enormous illuminated figure dances on the Las Vegas strip.

A giant open-air sculpture made of over 200 full-sized boats.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Most historians agree that the so-called "Gentleman Pirate" wasn't much of either of those things.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

A stack of stones steeped in Irish folklore, much like the hero they're connected to, hide in plain sight.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

The oldest liquor store in the country is a model of resilience and mischief.

Dental instruments from the illustrious history of American dentistry.

Dedicated to the history of the health sciences.

Paths are maintained, but trees have taken over plots.

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

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

This historic Rhode Island mini-cemetery features a number of headstones run through with mysterious holes.

The site of the largest mass execution in Rhode Island history, haunted by the ghosts of hanged pirates.

Oldest synagogue in the United States.

Always a new use for this old building.

This grand old 80-foot sequoia towers above the buildings in the city’s retail center.

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.