It's not your typical library, memorial, or book store.

An alley covered with 20 years of bubble gum.

Haunting and beautiful trees, doomed to die.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

The California capital city once stood 10 feet lower than it does today.

A deserted hodgepodge of experimental structures designed by nearby university students.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Quite simply the largest tree in the world (by volume).

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The plants form a living library and laboratory for researchers and students at Michigan State University.

These gardens recreate unique and endangered Michigan habitats.

The writing studio of an American adventure author, built in the style of a medieval castle.

Native American burial mounds? Giant gopher dens? No one knows what created the Mima Mounds.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

This Seattle joint serves food inside an old train car once used by FDR.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

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

The World's First 24 Hour Coin-Operated Art Gallery!! Plastic, Styrofoam, and Elvis--If you can't get rid of it, you might as well worship it!!

Taking the 3D art experience far beyond blue and red glasses.

Beyond being incredibly fun, not much can be said about the Hole with certitude.

A world of craftwork elegantly curated in a historic brick warehouse.

Definitely not a clown bar.