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

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

The remains of a bustling turn-of-the-century park built to showcase the wonders of electricity.

Dakota legend claims this locally iconic pinnacle was once part of a sacred burial site that was cleaved in two.

This water tower has been a staple of the Rochester skyline since 1931.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

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

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

One of just a few cities in the world to base their center of government on an island. Others: Paris and Osaka.

A 115-year-old restored German dining hall awaits those who venture beneath the Minnesota State Capitol.

The largest outdoor art gallery in the Northwest United States.

When in Idaho, sleep in a giant potato.

This tiny, charming synagogue in the Cayman Islands was built by a man as a present for his Jewish wife.

There is one corporation registered for every three square feet of space in this inconspicuous office building.

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

Where the notorious gang lived while on the run from the FBI.

More than five miles of underground passageways.

World's largest collection of serial killer artwork and other macabre exhibits.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Rippling sand dunes frozen in the Arizona rock.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A restaurant and lodge in northern Wisconsin which served as a clandestine hideout for John Dillinger and featured one of the most famous botched FBI raids in history.