This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Go inside to really appreciate this 500-year-old technological masterpiece.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

This 19th-century ghost town offers a stunning view of Lake Michigan and a journey through the region's industrial past.

The Kalamazoo factory has 100 years of instrument-making, and one big wartime secret.

This lovely public park has an intriguing past and unique wooden bridges made of concrete.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

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 structure has welcomed visitors to this scenic harbor city on Lake Michigan for many decades.

Home to over 300 antique cars and motorcycles, including Thomas Edison's Model A.

This defunct, fortress-like prison has been the setting for several movies.

The alley connecting two of country music’s most historic venues has a rich history of its own.

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

The largest ski jump in the Western Hemisphere hasn't hosted skiers in decades.

This steamer is known as "The ship that built Cleveland."

"The Most Boring Road in the State."

This freshwater spring fills with 10,000 gallons of water per minute.

Beautiful scenery, history, science, and physics come together in this remnant of shipping lore.

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

This shallow cave got its name from copious amount of human bones found inside.

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