A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

A replica that won't float away.

This giant ice cream cone is the last remaining icon of a Salt Lake City staple.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

Dubbed the "Blade Runner dragon," this buzzing neon sign is a beloved local icon.

Water flowed out of the town's unusual tree stump fountain in the 1930s, and the well still runs today.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

Miraculous tree that seems to sprout out of solid rock.

A monument to the egos of two railroad magnates that fell into decline along with their careers.

One of the smallest towns in the United States.

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

An experimental, automotive replica of Stonehenge.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

Every president in history is immortalized in bronze in downtown Rapid City.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

The first declared National Monument in the United States.

This shallow pit was once used to send over 20,000 buffalo plummeting to their death.

The crumbling structure is a rare surviving relic of the area's bygone mining industry.

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.