Pilgrimage site for star-crossed lovers.

Megachurch turned Catholic church comprised of 10,000 glass panes.

Mexican food and folk art.

Breathtaking and huge 430 year old maps of Italy.

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

Go inside to really appreciate this 500-year-old technological masterpiece.

San Diego's most historic and haunted home.

See massive fossils that are over 200 million years old in northeastern Arizona.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

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

The private clubhouse for the members of the Academy of Magical Arts.

The world's longest known cave system.

The site of the climactic scene from the classic horror film is now a historic landmark.

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

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.