The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

This shop specializes in oddities and Victorian-inspired wonders.

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

Only hotel where you can legally launder money.

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

The oldest farmer's market in America is so ancient it was approved by the King of England.

An Irish Memorial commemorating those who perished due to potato blight.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A layered tribute to the work of mosaicist Isaiah Zagar.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

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

A music-filled, booze-soaked oasis in the desert.

A fake town founded by Western movie stars is now becoming a hip desert community.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

A massive volcanic plug is now a protected area that hosts a number of bird species.

An alley covered with 20 years of bubble gum.

A hotel and restaurant serving as the mecca of kitsch.

The first declared National Monument in the United States.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

The only castle in North America to ever house European sovereigns.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

The stoutest tree in the world.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

An indigenous take on European design creates a stunning visual overload.