This colorful gate stands as an entrance to the walled city of Old San Juan.

A park where people have been going to feed friendly pigeons since the 18th century

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

This tiny home was originally a narrow alleyway.

Puerto Rico's oldest rum producer started its 140-year-old business with "a little barrel."

On a clear day, you can see all the way to the Virgin Islands from the top of this observation tower built in the 1960s.

In West Virginia, you can walk across the longest single-arch bridge in the Western Hemisphere.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

This small, but beautiful waterfall has attracted visits from artists, composers, and two United States presidents.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

60 feet of towering steel balances gracefully.

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

Storybook cottage in Beverly Hills was once the site of 1920s silent film studio, affectionately known as "The Witch's House."

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

Because there's no place like home.

The man who voiced Bugs Bunny, Daffy Duck, Porky Pig, and more has a headstone reading, "That's all, folks!"

Resting place of Hollywood's immortals is also site of summer film screenings.

Historic funicular railway, believed to be the shortest railroad in the world.

A visionary, futuristic sculpture in Los Angeles that never met its extraterrestrial potential.

Oldest building in California still in use.