Island where motor vehicles are banned -- home to the only carless highway in the United States.

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

"The Most Boring Road in the State."

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

As its grandiose name implies, this wooden dome is unsurpassed in size.

Large one-man sculpture park in Michigan.

Egyptian Revival obelisks still rise over the old mine shafts.

A comedy troupe's collection of bizarre humor.

This missionary's legacy looms large over the Upper Peninsula of Michigan—literally.

Robots, lasers, and whoopee cushions, oh my!

A six-story-tall golden pyramid, surrounded by a moat.

Wisconsin's most celebrated export gets the royal treatment on I-94.

A place to eat for on-the-run agents and espionage enthusiasts.

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

An abandoned munitions factory with a shot tower continues to wage war on the surrounding environment.

An abandoned theme park with a strange and tumultuous past.

One of the few surviving "Wigwam"-themed motels.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Two groundbreaking brothers from Pasadena.

One of Hollywood’s favorite government buildings.

A commonwealth favorite in the heart of Pasadena.

Former 1954 Del Mar Train Station now serves signature cocktails and delightful culinary treats, and still operates as a Metro stop.

This enormous monument is one of the most iconic structures in Tokyo, rudely nicknamed "The Golden Turd."