The site of the house Jack Parsons made famous both in life and death.

A landmark for a trailblazer for female architects and the designer of one of the most famous and opulent buildings in California.

Two groundbreaking brothers from Pasadena.

One of Hollywood’s favorite government buildings.

The simple auditorium that launched a pop icon's career into the stratosphere.

A Community Cornerstone.

Home of the "Father of Forestry."

A newspaper building that made radio history.

Colorado Boulevard’s historic bookstore, operating since the bustling city of Pasadena was merely some orange groves and a few ostrich farms.

An Airy Would-Be Solution to a Housing Shortage.

The American Home, Re-imagined.

One of the largest helium balloons in the U.S. is a 112-foot ginormous orange.

Pasadena’s Stonehenge.

Suburban observatory was personal lab of the father of modern astrophysics.

Bug-devouring flora are the stars of a special wing of the glass conservatory.

A small, peaceful sculpture garden with a grim memorial to a disaster that took place a few blocks away.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

Working mining and drilling equipment demonstrate 150 years of energy history.

A nursery specializing in strange and beautiful succulents and cacti.

The Citrus Variety Collection at UC Riverside contains two trees of each of the 1,000+ varieties of citrus.

Arcadia is home to a haven for nature geeks and 80s TV lovers alike.

A surreal, Gaudi-inspired play space near an Anaheim community center.

A military vehicle collection, showcasing how war transportation advanced from horse drawn artillery to self propelled cannons.

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