Yale University's home for rare works, including the mysterious Voynich Manuscript.

The world's largest public collection of PEZ memorabilia.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

The mysterious canine hides atop a drain pipe on the back of the building, some say as a sneaky shoutout to Yale.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

Mysterious rocks that ring musically when struck.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

A tunnel that brings more than a century of history to life from the deepest parts of the Niagara Gorge.

Known locally as "the giant head," this 14-foot LED sculpture has a photo booth in the neck where you can have a 3D picture taken and displayed.

A bronze of the man in all his sinewy glory celebrates his longtime connection to the Ohio city.

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

A pharmacy built in the shape of a mortar and pestle, now resembles a fancy cocktail.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

Marine fossils from the Devonian period are exposed at this park.

This open air cathedral invites all faiths to worship under the only roof big enough to fit them all: the sky.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

A magnificent church designed by world-renowned architect, Frank Lloyd Wright.

This otherworldly church spire reaches up toward the heavens.

A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.