This private residence was the template for one of the most beloved television homes of all time.

This turn of the century masterpiece has a mysterious goaty interloper.

A 300-ship graveyard, with a few still visible at low tide.

Floating man-made island and upscale restaurant.

A hidden subterranean installation offers a view of the sky.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A winding path built in secret on the edge of the continent.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

A huge musical instrument played by the ocean.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

The final resting place of New Orleans' most famous voodoo priestess.

Site of a former hidden treehouse in New Orleans.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.