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

Early prototype for Frank Lloyd Wright's Guggenheim.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

A historic home with ties to the abolition and suffrage movements.

A near tragic event on this bridge helped inspire the classic film "It's a Wonderful Life."

This statue commemorates the meeting of the most influential minds of the women’s rights movement.

What remains of the simple red brick chapel where the women's rights movement began.

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

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

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

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

No one knows how many bodies are in this vault in a Chicago public park.

A military museum and library dedicated to the citizen soldier.

Former meatpacking facility turned vertical farm and sustainable business complex.

A display of magnificent stained glass windows is the first exhibit of its kind.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

This historic hotel invented the chocolate brownie.

A monument to the art of slicing people open.

The only Frank Lloyd Wright-designed structure in the architect's hometown.

This historic old movie house was the scene of one of the Blob's most iconic attacks.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

It marks the spooky spot where the bodies of two young boys were found in the 19th century.

Memorializing an American tragedy of massive proportions.