Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

Unique Michigan homes look like something out of Tolkien's "The Lord of the Rings."

The park is home to the United States's only still-operating Dutch windmill.

For more than 50 years, an iconic sign has greeted visiting “fudgies” to the Traverse City area.

An enormous roadside pan tells the story of a battle for pie glory.

There's more contention than one might expect from cherry pie pans.

A comedy troupe's collection of bizarre humor.

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

Detroit’s Eastern Market has been transformed into an outdoor museum with colorful murals that address social issues and symbolize the city.

A Northwoods sporting competition that shows lumber jacks doing much more than cutting down trees.

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

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

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

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

These dramatic cola-colored falls have appeared in a poem by Henry Wadsworth Longfellow and a song by Sufjan Stevens.

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

Locals place their offerings on this nightmarish gnarled tree so the witches won't summon another storm.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

These engineering masterpieces are a dominant feature of the Belfast skyline.

This massive monument has been telling the time for 150 years—at a slight angle.

These murals stand as reminders to the troubled history of this Northern Ireland city.

A museum marks and documents the site of the Titanic's launch.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.