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

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

One of the world's premier laboratories for hydraulic engineering research takes full advantage of the water's power.

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

A palatial art deco restroom.

Colorful murals stationed throughout Charlotte bring poetry to everyone.

A Nessie-like monster supposedly lurks in this lake.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

This too-low North Carolina railroad trestle is still a notorious big rig executioner.

A six-foot pair of socks hangs from a drawer of the world's largest bureau.

This nine-story building can be played like an instrument.

One of the best places to see wild Colonial Spanish Mustangs in the United States.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

The best place to send your postcards home from Antarctica.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

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

The world's tallest turtle riding the world's largest snowmobile.

A rim-made reptile in North Dakota.

On the windswept Dakota plains there is a memorial to circus workers who were struck down by lightning.

This museum is a full-size replica of an original church constructed during the 13th-century.

A monument to the center of the North American continent may be off by a few miles.

The oldest still-existing mosque in the United States sits in a remote prairie in North Dakota.

The humble beginnings of the man known for his lavish "champagne" music.