One man's quest for the ultimate road trip vehicle.

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.

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.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

This black shoreline is made up of exploded lava particles.

This legendary urban waterfall creates a dazzling display of rainbows.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.