Eight feet in diameter and more than 24 feet around.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

One of Ohio's longest history books isn't made of paper—it's painted across the floodwall.

While filling up your gas tank in eastern Kentucky, you just might stumble into this collection of country music memorabilia.

The first declared National Monument in the United States.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

This former monument to an invented Iraqi victory was turned into a military camp during the subsequent invasion.

A giant bisected onion dome remembers the Iraqis who died in the Iran-Iraq War.

A rim-made reptile in North Dakota.

This park straddling the United States-Canadian border has been a symbol of peace since 1932.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Just a man taking his prehistoric pet for a stroll.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

A fitting attraction for the corn capital of the world.

When an ancient supervolcano erupted, some of Nebraska's prehistoric animals were forever preserved in ash.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

The failure of one component toppled this entire bridge during rush hour.

The site of the one and only battle of Lord Dunmore's War.

This arcade is one of the last places to catch a public performance by the now-defunct ShowBiz Pizza's house band of animatronic animals.

Thousands of jack o'lanterns light up Halloween at this historic West Virginia home.

Step into a converted schoolhouse packed with radios, ham gear, and a century of broadcasting history.