Parks

The name of this tiny pocket park tucked between two buildings on Manhattan's Upper West Side is Latin for its location: "seventy-one."

The abandoned grounds and derelict greenhouses of this once-magnificent Edwardian estate are now a nature preserve open for exploration.

Thanks to an acoustic anomaly, this unassuming stone bench has heard one hundred years of secrets.

One of the largest helium balloons in the U.S. is a 112-foot ginormous orange.

This beautiful ancient site is dotted with perforated sandstone pillars considered sacred by some Native American groups.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

Watch out for the two-story Godzilla made out of tires.

One tiny triangular park commemorates the victims of a yellow fever epidemic—many of whom are buried right below the grass.

The hill that gave the Massachusett tribe, and later the state, its name.

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

The lowest point in the state of Illinois, at the confluence of the Mississippi and Ohio rivers.

A remarkable range of flora and fauna are represented in this Dominican nature preserve.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

A memorial to the tens of thousands of Irish who fled to North America during the Great Famine.