Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

Commonly referred to as the most photographed Victorian home in the United States.

A historic hotel that made a cameo in Hitchcock's classic film has no intention of letting guests forget its fame.

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

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

A multimedia experience that chronicles the atrocities of racism.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

This hilltop park offers magnificent views and a Frank Lloyd Wright masterpiece.

The unbelievably opulent home built for an infamous newspaperman.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

Travelers exchange letters with woodland creatures at this mini post office.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

The final resting place of a space program monolith, soon to be unveiled again to the public.

The largest drain hole in the world.

The largest permanent Monopoly board makes one of the longest games even bigger.

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

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

The ghost town that ended up on Ebay.