Learn how this centuries-old Spanish citadel guarded Puerto Rico's vital harbor.
Discover the history behind the opulent Beaux-Arts ballroom now used for official government receptions in Old San Juan.
Find out what's behind the whimsical, misty miniature Santa Fe Railroad trestles outside.
The seismic fault running through California that made a wealthy family move and use steel beams.
Identifying the massive, multi-branched tree perfect for play in San Mateo County.
The fruit on this ancient tree is inedible until it undergoes months of intense processing.
The retired life of a wine barrel after it stops imparting flavor, often refashioned for public use.
The elegant gardens and clock tower marking the end of a vast aqueduct bringing water from Yosemite.
This festive planter is likely a repurposed industrial electric cart from the early 1900s.
The historic setting for the TV series 'Dynasty' and a classic California country house.
An iconic, early electric refrigerator with a distinctive, battleship-like cooling unit perched on top.
An antique Edison Electric stove used to cook for the San Mateo County water system.
