This downtown Dallas art installation is always on the lookout.

A symbol of Texas pride.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

World's smallest skyscraper, the product of a remarkable con.

A time-capsule monument reminding future generations of the importance of efficient and effective use of natural resources.

Where one of America's greatest songwriters lived before he was Bob Dylan.

Nicknamed the "Grand Canyon of the North," this open-pit mine in Minnesota has a much shorter history.

Home to a vast collection of The Wizard of Oz memorabilia and the site of an infamous theft.

143 feet of leaping muskie whose mouth can be used as a wedding venue.

This quirky roadside attraction provides insight into Minnesota's logging history.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

Minnesota's highest point is a scenic vista marked by a plaque and armies of mosquitoes.

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

The world's largest floating loon bobs in the lake to kick off an annual festival.

The watery grave of an impractical idea.

An abandoned bus station transformed into a museum dedicated to the history of Greyhound Lines, in the place where it all began.

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

A little-known memorial to servicemen and nurses killed in the line of duty during the First World War.

A giant granite cross remembers missionary Father Frederic Baraga, and his safe passage across an angry Lake Superior.

Minnesota's oldest and deepest mine is now an underground physics laboratory.

This tiny Minnesota city tried to secede from the Union as a last-ditch effort to fix its crumbling water system.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

The famed architect designed this Minnesota gas station of the future with a lookout tower.