An ode to the friendship between four Pacific Rim countries.

One of the largest trees of its kind in California.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

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

The oldest standing structure in downtown San Diego.

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

The American rainmaker and a burst dam.

The attic of a four-century-old canal house hides a clandestine church.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

A poignant museum dedicated to the history of the Dutch resistance against Nazi occupation

This vast collection of smoking pipes from across the world spans centuries.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

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

A beautiful geyser under environmental threat.

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

The first declared National Monument in the United States.

Every weekend, people gather here for a brief chance to see their loved ones on the other side of the United States–Mexico border.

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.

North America's largest accredited model railroad museum.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

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

An inconspicuous footbridge beloved by San Diego locals.

Lucha Libre (Mexican Wrestling) themed taco shop.