A giant pan is on display to honor a community's sweet efforts.

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

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

On the upper deck of this church-owned parking garage stand eight pillars topped with different Catholic saints.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

The 28,000-year-old specimen is remarkably intact.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

Washington's iconic carousel has a nice piece of Civil Rights history.

A celebrity from the late Cretaceous period.

A giant wooden statue of one of the greatest pitchers in 19th-century baseball.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

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

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

A 19th-century architectural wonder designed by the "father of the skyscraper."

A natural gas leak provides a flickering flame beneath a waterfall.

Each August, one of the largest religious (and food) celebrations in the country is held in Boston.

The bears may be gone, but their old cages can still be found.

A monument to a Polish general who fought the American Revolution and became the "Father of the American Cavalry."

Steinbeck's old stomping grounds, immortalized in Cannery Row.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

A monument honoring those who died in the Great Famine of Ireland.

Opened in 1947, this is the oldest continuously-operating drive-in theater in New York.