During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

The three biggest silent film stars once shot iconic scenes here.

This nondescript tunnel has been featured in a number of iconic movies, from “Roger Rabbit” to “Back to the Future.”

This sculpture presents commentary on a life in pursuit of profits.

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

The legendary building that needed ghostly approval before being built.

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

A look into the Church of Scientology's deeply unfavorable view of psychiatry.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

Established in the '60s, a family-owned tropical drink bar founded by Ray Buhen, bartender to the stars.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Shop selling 500 flavors of soda has something for everyone.

A French artist's vague warning hangs over Belleville.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

A collection of short standing stones covers this hillside.

An ancient cave system in Tennessee’s Appalachian foothills converted to a 1,200-person music venue.

This small stone building, the final work of a renowned artist, offers a peaceful environment with radiant, colorful glass windows .

This refurbished gas station is one of the oldest in Texas, located on the original Route 66.

A bed and breakfast, botanical garden, art gallery, academy, and workshop all in one.

This 20th-century replica of a 13th-century castle has itself fallen into ruin.

This house was the subject of an Edward Hopper painting, which in turn helped inspire the design of the Bates house in Alfred Hitchcock's 'Psycho.'