Don't blink or you'll miss it.

A vertically floating hemlock controls the waves and weather at Crater Lake.

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.

A man-made island in scenic San Francisco Bay.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

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

Adolph Sutro's little-known, geographically inaccurate, deprecated monument.

The only surviving prototype for Buckminster Fuller's house of the future.

One of many gator theme parks, abandoned in the sugar fields of South Florida.

What is it about mushrooms that makes people wish they lived inside of them?

Collection of vintage trailers double as hotel rooms.

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

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

Ancient pueblos built into the base of a natural canyon wall.

The unbelievably opulent home built for an infamous newspaperman.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

What is the Thing?

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