Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

The god of wine stares out at passersby on this busy Pittsburgh thoroughfare.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

This Old Testament garden features 100 plants from biblical times.

The Master of Magnetism dominates the walls of a scrap metal yard to keep graffiti artists at bay.

A private residence adorned with a gorgeous mural dedicated to the buzzing insect.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

Could it have picked a better place to land?

"Where the ducks walk on fish."

Affectionately known as "Lord Bot," this historic statue has a cult social media following and rightly claims to be “the most metal inhabitant of the Wren Yard.”

The resting place of a Civil War celebrity's amputated limb.

A local prank turned town icon.

This unique creation was made by the largest manufacturer of Christmas bulbs in 1946 to honor those returning from World War II.

Launch vegetables using oversized slingshots at this Fingerlakes winery's roadside attraction.

A reproduction of a giant humanoid "fossil," a hoax buried locally for construction crews to find and gain national attention.

A six-story treehouse offers spectacular views of New York's Finger Lakes region.

This collection started by a Cornell professor once held more than 600 human brain specimens, including the one that belonged to its founder.

The library of every book lover's dreams.

Pluto is still considered a planet in Ithaca, New York.

The walls of the statehouse tell the story of Ohio’s prehistoric past.