One man's vision and a labor of love of many.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

This zombie-themed restaurant stands out in the heart of corn country.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

The World's Largest Bull.

An eclectic assortment of medieval architecture in a small Iowa town.

The Iowa state contender for largest pan in the world oddly only comes in second or so.

Eight feet in diameter and more than 24 feet around.

An Iowa town celebrates its heritage with the tallest working Dutch windmill in North America.

This long unused shot tower on the Mississippi remains a point of pride for a small city in Iowa.

The highest point in Iowa, while not that impressive to mountain states, has earned its own monuments.

In rural Iowa, an imported 19th-century windmill overlooks an unlikely enclave of Danish culture.

Two hula hoops appeared on the tree after a storm, and the collection kept growing.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

A giant concrete egg marks this Indiana town as the "Egg Basket of the Midwest."

Nature and art meet in this curvy creation

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.