The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

City Council meetings still happen in this historic building, impeccably preserved on the inside.

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

The world's largest egg has been cracked a number of times over the years but has been repeatedly replaced.

These memorials built by an eccentric bachelor on the side of Interstate 5 cause both wonder and traffic accidents.

In the midst of a residential town in Washington exists a property saturated with one man's artistic creations.

A giant roadside black bird marks the location of this eclectic local mall.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

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

A logging-themed roadside restaurant surrounded by museum-quality machinery and artifacts from the industry's heyday.

A massive sea stack famous for its appearance in The Goonies.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

Shakespeare has been brought to life in this open air theater for the better part of a century.

A trash dump made beautiful by nature's power.

A vaudeville performer mounted this hollowed-out redwood log onto the chassis of a truck, and toured the country spreading a message of conservation.

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

An ode to the friendship between four Pacific Rim countries.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

The classic Atari game's iconic aliens have invaded downtown San Diego.