All that remains of a gigantic earth-moving machine.

The Hudson River School comes alive at this palatial estate.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

The third version of this tall sailing ship sits, rusted and burnt, in Lake Ontario.

The longest enclosed pedestrian bridge in the world spans 14 lanes of traffic and six rail tracks, all while lighting up the night sky.

This historic library honors the legacy of the British Empire's first children's librarian.

A unique collection of Science Fiction, Fantasy, and everything in-between.

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

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

This public space is speckled with the eerie remnants of a defunct amusement park.

Surprisingly aquamarine waters fill deep lakes formed at the end of the last ice age.

A Frankenstein blend of science and art allows one tree to produce 40 different types of stone fruit.

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

This picturesque stream was up until recently the site of a ten story mountain of slag and sewage.

This demolished goliath of American industry once loomed over the depressed town it once made thrive.

Since the 1930s, this Pennsylvania town has celebrated the humble tomato.

Narrow gorges and deep pools created by long-ago glaciers.

Home to an eclectic collection of over 200 vintage motorcycles, Americana, and some of the most extraordinary antiques from all around the world.

An abandoned stretch of highway, deteriorating next to the operational one.

The last street in Pittsburgh that's paved with wood.

There aren't too many operational funiculars around, but Pittsburgh has two!

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

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

Once the most painted on object in the world, this short campus fence is well on its way to being so again.