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

A nerdcentric group and creators of the Nerd Prom.

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

The home where a lovestruck Fitzgerald wrote his first published novel, "This Side of Paradise."

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

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

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

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

This striking art museum holds an amazing series of curiosity cabinets.

One Confederate statue that accurately reflects the ugliness of its subject.

This replica of the Greek structure is in the heart of Nashville.

This sandstone mansion was the home of two of Oregon's most important pioneers.

The magic's in the hole!

The literary king of the Jazz Age was born in this lovely Minnesota home which still honors his legacy.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

The curiosities and wonders of pharmacy in a delightful historic building.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

Less a museum than a bizarre fantasy world created by artists and engineers.

One of the largest aviation events in the world brings half a million aircraft enthusiasts to Wisconsin each year.

This solitary gravestone is separated from the rest in Appleton, explaining why local legends continue to surround it.

A Bibliophile's Dream.

A gothic church spire sits atop this skyscraper, the tallest church in the world.