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

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

Other-worldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

A 115-year-old restored German dining hall awaits those who venture beneath the Minnesota State Capitol.

This kaleidoscopic mural shows Bob Dylan throughout his transition from young troubadour to Nobel laureate.

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

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

An old soap company building now houses one of Minneapolis’s oldest independent non-profit art galleries.

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

Enter the Forest of the Elves.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

A fitting attraction for the corn capital of the world.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

Just a man taking his prehistoric pet for a stroll.

Marta Becket's hand-painted theater in the desert.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

Where the notorious gang lived while on the run from the FBI.

Built in 1931, this small passageway is believed to be the first modern skyway.

Home to items never before seen by the public.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

An unusual assortment of art, furniture, and other curiosities.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.