A psychedelic labyrinth on the San Francisco bay.

Extraordinary sculpture garden created by an eccentric English poet.

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

An iconic location along the Los Angeles River where countless movie scenes are filmed.

These two monoliths have stood at the entrance to the neighborhood since the days it was called "Hollywoodland."

This Hollywood dive houses a mural painted by the artists who animated its namesake film.

Small museum packed with artifacts recovered by the man rumored to be the real-life inspiration for Indiana Jones.

Magical-looking cottages that inspired one of the most famous animated films ever.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

Beautiful Victorian buildings from L.A.'s forgotten architectural past.

This glamorous old building is said to have inspired the Tower of Terror.

A faux European lane smack dab in downtown L.A.

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

An unremarkable wooden wheel built into the side of one of Rome's oldest hospitals was part of a policy to reduce infant exposure.

A modern sliver of architecture in Roma.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

An alchemist's "magic door" stands in the middle of a Roman park.