Opened in 1976, this monster-sized version of the fast-food franchise is sometimes called the Epic McD.

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

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

This landmark honoring a local beer brand is an iconic part of the Minneapolis skyline.

One of two giant blue cockerel statues erected with an intentional double meaning.

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

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

This small, but beautiful waterfall has attracted visits from artists, composers, and two United States presidents.

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

This monster board rode a monster wave to break two world records.

This giant temperature attraction created some giant electric bills.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

In 1958, an MIT fraternity pledge laid down on this bridge and instituted a new, unique unit of measurement.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The prototype for all Nazi concentration camps.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

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

Ute tour guides have been sharing the ancient dwellings and rock art inside this large park with visitors for more than 40 years.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.