The world's largest public collection of PEZ memorabilia.

Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.

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 winding district gerrymandered into the shape of a mantis.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

Remnants of a storybook amusement park hidden behind a strip mall.

This is the last surviving Bollman truss bridge in the world.

A charming tour of the umbrella, tin-can, and drinking-straw capital of the world.

An eerie, decaying ghost town destined to fade into the forest.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

This massive swimming pool is the high tech home to the human-powered submarine races.

A beautiful geyser under environmental threat.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

Spectacular views await visitors to this lake.

The only road through the heart of Glacier National Park.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

This playground sculpture of an icon from the past is dedicated to the children of the future.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

This historic bridge connects Whidbey Island to Fidalgo Island across whirlpool-filled waters.

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

A 14-foot-tall Bigfoot statue stands guard over this café and filming location.