Look closely and you’ll notice that the color changes a third of the way up the tower.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

This park pays homage to the region's rich industrial history of brick making.

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

The remains of a massive blast furnace in what was once one of the country's largest iron-producing regions.

At the center of this cemetery stands a 2,000-year-old burial mound of the Adena culture.

One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

An architect's childhood fantasy treehouse made real.

A beautiful geyser under environmental threat.

A bronze of the man in all his sinewy glory celebrates his longtime connection to the Ohio city.

Just outside the Ohio Supreme Court sits a testament to justice.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

An overlooked memorial honoring the local Washington residents who died in World War I.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

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

This pair of eccentric Ohio castles were built by a pair of brothers who wanted to bring a bit of class to the Ohio wilderness.

Home to several unusual artifacts, including a huge painting of George Washington.

The largest earthwork effigy in the world.

The mounds at this site were reconstructed with the help of archaeologists and historians.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."