Places WoodlandAlliance Wants to Go

All of Chicago's wood-paved streets are long gone but two alleys remain.

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

Home to a protest movement, a bombing, and a dramatic change in labor history.

The only Chicago bridgehouse open to the public contains a museum devoted to the Chicago River.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

The highest point in Alabama was almost completely deforested, but is now home to protected towers and trees.

A strange history museum, with items accumulated by a pair of globe trotting spies.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

This hillside mushroom farm shares land with a Buddhist monastery.

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

Catch beautiful views at the graffitied observation deck on this mountain top.

Visit this playground of waterfalls, caves and sinkholes.

The world's largest pin (or tack) is located in Elizabethtown, Kentucky, at the Transit Authority of Central Kentucky (TACK) headquarters.

Once one of the most polluted caves in America, now an environmental success story and a museum dedicated to caves.

A unique home built by Andrew Jackson Caldwell that also served as a military hospital.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

The world's longest known cave system.

Prehistoric animals decorate this popular outdoor park.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

The oldest university museum west of the Mississippi retains its 19th century feel.

A wonderland of caves in eastern Iowa.

Spend the night in this former asylum for the incurably insane, which claims to be one of the most haunted places in the United States.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.