A monument celebrating the idea of reaching inaccessible places.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

This giant temperature attraction created some giant electric bills.

The blinking light atop the iconic landmark has been sending secret messages for decades.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

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

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

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

World-famous, Pink's still manages to keep its prized cult fetish status.

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

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

The legendary building that needed ghostly approval before being built.

Where Elvis Presley received his first Army buzz cut.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

The Ozarks' strangest dwelling.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.