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.

The fairy tale castle of the "fairy-tale king."

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Known locally as the Jungfrutornet, this Medieval tower hides a dark legend.

A small pack of an ancient, hairless breed of dog once believed to guide souls through the underworld lives on its grounds.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

An abandoned lighthouse off the beaten path, one of the few surviving pre-World War II Japanese structures, offers a beautiful view.

Where hundreds of Japanese civilians committed suicide to avoid being captured by American soldiers during WWII.

Why walk on this historical site when you can zoom down instead?

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

Five candy-colored villages on the Italian Riviera.

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

The library's graceful rotunda is like a bibliophile's temple.

Sweden's "good old days" painstakingly re-created in a model village.

Largest island in the Baltic Sea experiences such idyllic weather that roses bloom in the middle of December.

It houses the remains of a 17th-century version of the Titanic.

The Uros people live on floating reed islands in lake Titicaca.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Since the 1700s, this old barrel has acted as a post box that relies on the kindness of travelers.

This amazingly preserved Doric temple was abandoned before it was ever completed.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."