The largest earthwork effigy in the world.

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

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

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

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

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

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

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

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A fitting attraction for the corn capital of the world.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The first declared National Monument in the United States.

This massive roadside mascot was the first version of the giant to illustrate his butt.

The highest point in Washington state is a volcano covered in glaciers.

A museum dedicated to the history and exploration of both popular music and science fiction.

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

Rusting, graffiti-covered tanks litter the beach of this island, once used by the U.S. military for target practice.