Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

The final resting place of the Emperor of the United States and Protector of Mexico.

A vast city of the dead, where the deceased outnumber the living by more than a million.

Amazing meticulous gardens of personal wood carvings, Hydrangea, Canna, and many other flowers.

A promotional sun clock on the site of San Francisco's great raceway.

Forgotten and then destroyed by fire, this was once one of the largest saltwater swimming pools in the world.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

A miniature view of the park, caught in time.

Home to one of the world’s largest collections of model yachts.

Over 315,000 preserved amphibians and reptiles in jars.

Thirteen trees representing the original thirteen colonies were planted with soil from historic Revolutionary battlefields.

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

An invitation-only museum of items natural and bizarre, arcane and exotic.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

Northern Ireland's Brobdingnagian stepping stones.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

Historic psychiatric asylum and most-filmed location in the Great White North.

This Elizabethan hedge maze is one of only six in North America.

A 140-year-old castle with underground caves hidden in San Francisco.

Visible below the waves are memorials to the city's Gold Rush dead.