This private residence was the template for one of the most beloved television homes of all time.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

San Francisco's newly reopened hands-on science museum.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Purdue students would lean over this iron fence to skirt campus rules against smoking and courting.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

In a city crazy for seashells this museum educates and amazes visitors using the wonder of cast-off exoskeletons.

Just below the surface, shrimp are producing temperatures hotter than the sun.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

The collection of 80+ pieces created between the years 1100 and 1500 is intended to be seen, heard, smelled, touched, and tasted.

A circus legend leaves an unexpected endowment.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

Two small markers remember the Alamo's feline protectors.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

Three hundred years of preserved Spanish colonial history in San Antonio.

Fantastic collection celebrating the final send-off.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.

These ancient artifacts are a testament to the enduring significance of the bull in Spanish culture.

This postmodern apartment block was designed to be a vertical neighborhood.

This fascinating and poignant museum chronicles every imaginable aspect of Spanish colonialism in the Americas.