The largest earthwork effigy in the world.

Step inside Lucy, the world's largest "elephant."

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

An outlandish shoe shaped house built by an eccentric millionaire.

A walk through the historic city center, under the streets of Seattle.

Metro station with a claim to rock n' roll fame.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

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

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A classically inspired temple in Redwood City.

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

A restaurant and observation deck built in a unique broadcasting antenna.

France's most famous cemetery, with some of its most curious tombs.

A museum dedicated to the alleged Roswell Incident.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

Approximately 250,000 people left homeless by the great earthquake and fires found shelter in Golden Gate Park.

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

The remains of a ruined mansion memorialize the 1906 earthquake.

The site of the climactic scene from the classic horror film is now a historic landmark.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

A shape-shifting buy-sell-trade bookstore, born to Beatnik Era spirit.

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