The only house in Oregon designed by the famous architect, Frank Lloyd Wright.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

The wooden airship was the largest flying boat ever built.

Home of Howard Hughes' Spruce Goose.

This sandstone mansion was the home of two of Oregon's most important pioneers.

The drama of nature in full effect in this Nevada State Park.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

An exotic wildlife habitat right off The Strip.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

“Live hard, ride fast, eat pizza” at this joint filled with Evel Knievel memorabilia.

Called the “General Motors of the piano industry,” these buildings once produced as many as 700 pianos a week.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

A touching tribute to the "Queen of Soul."

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

Try not to get slimed in Tribeca.

The birthplace of America's favorite fruit-flavored mystery dessert.

Curtiss is a forgotten figure in the early history of flight.

A collection of unique outdoor sculptures surounded by the beauty of nature.

This museum is dedicated to a Hollywood icon.

The first and only American institution dedicated to the enduring value of comedy in the United States.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

This former hub for crafty philosophers was founded by a writer who died aboard the infamous RMS Lusitania.

This Frank Lloyd Wright summer house was designed along Lake Erie as a retreat for a client's wife.