Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

When flour explodes, it's not a pretty sight.

This old residential building was once the largest flour mill in the world.

The only arched bridge made of stone on the entire Mississippi River.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

When North America was covered in ice, this was an oasis in the frozen desert.

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

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

The first declared National Monument in the United States.

This now abandoned arch bridge was constructed during the Great Depression.

The ruined remains of an early hydroelectric dam.

Canada's accused-traitor-turned-folk-hero is buried under a red stone in a ring of his own.

Fort Garry was a pivotal post for the Hudson’s Bay Company and a major factor in the economy and political culture of the area.

A monument to the center of the North American continent may be off by a few miles.

Underground tunnels once home to crime are now back open to the public.

The world's largest moose statue is located (where else?) in Canada.

This more than a century-old cathedral has seen its fair share of redesigns over the years.

This bushy bug is one of the unsanctioned public sculptures that have survived in Regina.

This Art Deco landmark claims to be the longest bridge over the shortest span of water in the world.

Dedicated to the people of Indian Head, Saskatchewan.

This museum is a full-size replica of an original church constructed during the 13th-century.

A cemetery housing wild west legends in South Dakota.