Ancient structures used to make and preserve ice in the deserts of Persia.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

The only parking meter in the entire town, it is surrounded by 100 free spaces.

This scalding hot river was thought to be a myth until one geoscientist made it his quest to study the mystical waters.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

This statue of an obscure comic strip hero stands as a tribute to patriotic service and a cautionary tale about embracing fads.

In a small Japanese garden off a busy Denver street, a memorial to a brave, principled politician.

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

Once an unstoppable source of gold and silver, this town came to a grinding stop when the groundwater proved deadly.

An ADA-accessible trail and deck offering stunning views of Colorado’s Mount of the Holy Cross.

The rocks of a certain area of Butte, Montana give off a musical ring when hit.

This amazingly preserved Gold Rush town is a historian's dream.

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

A bunker "with enough U.S. currency to replenish the cash supply east of the Mississippi" in the event of nuclear war now protects nitrate film.

This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

This beautiful vintage movie palace has seen little change in form or function since the 1920s.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

For nearly a year, General Ulysses S. Grant was based here during the American Civil War.

An innovative attempt to break a siege in the American Civil War still scars the earth today.

A home built with marble tombstones from the graves of 2,200 Union soldiers buried in a Virginia cemetery.

The taxidermy remains of the most popular pony in children's literature.

This sprawling museum holds one man's giant collection of real tanks.