These five houses were built for the 1933 Chicago World’s Fair.

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

The world's largest collection of the world's largest objects is in one small Illinois town.

One of the first intercontinental ballistic missile sites in the United States.

A fitting attraction for the corn capital of the world.

Just a man taking his prehistoric pet for a stroll.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The fungus-shaped vintage gas station has served multiple purposes over its lifetime, and now serves ice cream.

Sculpture garden and miniature golf course blend together in the oversized backyard of a Minnesota sculptor.

A damaged tree turned into a whimsical giant pencil that is sharpened each year.

Nicknamed the 'Minnehaha Bunny,' this bronze sculpture is nine feet long and weighs 1,500 pounds.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Strange physical sensations and optical contradictions keep visitors coming back for more.

A collection of pianos and more guaranteed to delight anyone interested in music history.

An underappreciated sculpture garden just a few blocks from the capitol building.

A palatial art deco restroom.

A fence constructed completely of skis on Monroe Street.

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

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

17,400 lbs., 12 feet in diameter, and 29 years in the making.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

Explore the History & Technology of Electronic Communication

A treehouse assailed by the elements and the government, now gone.