The grand marble structure next to the White House is Andrew Carnegie's temple to Pan-American diplomacy.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The Lincoln Memorial has inspired many, even though a word on the inscription appears to be spelled incorrectly.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

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

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

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

You thought Santa Claus didn't exist, but it turns out you were wrong.

A gregarious Ohio resident has been building his whimsical temple to peace for decades.

This burger joint is named after everyone's favorite carnival prize and is adorned with a giant one over the door.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

Hamissi Mamba and Nadia Nijimbere opened this community-minded restaurant serving dishes from their native Burundi.

A comprehensive archive of Hallmark Holiday ornaments.

The only surviving prototype for Buckminster Fuller's house of the future.

The famous red-and-white Campbell's Soup label beckons hungry passersby in Ohio.

Centuries-old columns from French monasteries provide structure for this courtyard within an Ohio art museum.

This unique collection collects pieces of art etched into thin pieces of stone.

Deep scars on the earth left by the Ice Age.

A dozen U.S. presidents have stayed at the historic resort, which was known as James Buchanan’s “Summer White House” from 1857-1861.

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.

A sycamore tree grown from seeds that traveled to the moon.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.