An autonomous oak in Alabama.

You'll need cowboy boots to trek to this old-fashioned saloon nestled in a giant natural cave.

A towering bronze statue memorializes the founding father of postwar American conservatism.

A rare wayfinding portmanteau of “Street” and “Avenue.”

A mistaken marker makes an erroneous claim along the historic Old Divide Road.

The unusual burial monument of Arizona's first governor.

One of the largest open-pit copper mining operations in the entire country.

This abandoned bootleg attraction was built to cash in on the popularity of classic TV show, F Troop.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

Once a year, at exactly 11:11 a.m., this monument comes to life.

A $100,000 tumbleweed decorates an Arizona park and ride that got its priorities a bit tangled.

This memorial pyramid marker honors one of the United States Government's first official camel riders.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

A mysterious "wedding cake" castle in the middle of the urban desert.

Every Christmas, one Arizona city makes the most of its dry climate by creating an arid desert tannenbaum.

Stairs often replace streets on the steep slopes of this old mining town.

A museum and tribute to a brave profession.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

A mysterious spirit totem at the edge of Navajo lands.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.