One of the world's oldest and most massive living organisms is a grove of quaking aspens.

This crumbling stump is all that remains of what was once thought to be the oldest living organism.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

This massive mushroom has spent centuries eating its way across a huge swath of Oregon.

This scrap yard doubles as a naive art gallery full of found art and farm animals.

About 80% of all U.S. avocados are descendants of Rudolph Hass's glorious tree.

A small sculpture garden that provides a microcosmic representation of California.

The hidden jewel of Disneyland: a members only playground for the Disney elite.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

The famous aviator's final resting place is a study in natural beauty.

A museum and tribute to a brave profession.

One of the world's largest telescopes, stares into the night sky with two huge mirrors.

What is the Thing?

A natural history wunderkammer in the middle of the desert.

A rare wayfinding portmanteau of “Street” and “Avenue.”

In Tucson a giant metal snake helps pedestrians cross a busy highway.

A Tucson museum and performance space full of found-object movable sculptures.

An Arizona museum with a collection of pharmaceutical oddities, including a jar of a gangster's chewed gum.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

Miniature art that tells an enormous story.

A house filled to the brim with oddities and curiosities.

This unique Seattle structure was designed to be the greenest commercial building on the planet.

A delightfully quirky blend of oddities spread throughout an old 1920s bank.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.