A retrofuturistic art installation in the Pittsburgh Airport.

First a root beer ad, then a golf course clubhouse, and finally a massive teapot.

This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

A larger-than-life statue of America's favorite sundae marks the place it was invented.

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

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

Visitors to this library are in for a real-world education in modernist architecture.

Jurassic Park—A Still Life.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

The site of the climactic scene from the classic horror film is now a historic landmark.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

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

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

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

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

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

These disused steel furnaces are now haunting ruins that may one day be a national park.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

Pennsylvania's own Roswell-style UFO mystery.

Within this beautiful Pittsburgh cemetery, a unique headstone bears witness to one man's eternal love for Jaws.

The largest island on the great salt lake is home to curious creatures and strange stories.

This little museum in the town where zombies were born celebrates the living dead.