Handmade treasures from around the world.

Semi-recognized center of the world, with many oddities.

One of the most unusual geological features, recognizable from a dozen hit movies.

Three hundred years of preserved Spanish colonial history in San Antonio.

A famous alternative culture epicenter and where Joplin serenaded young hippies.

A hand-built folk art installation covered with messages of God's love.

Adolph Sutro's little-known, geographically inaccurate, deprecated monument.

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

An alley covered with 20 years of bubble gum.

A modern mechanical planetary system, part of a 10,000 year clock.

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

Every year, over 25,000 monarchs overwinter in Pacific Grove.

America's only nuclear missile silo open to the public.

Historic funicular railway, believed to be the shortest railroad in the world.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

"The Hoppiest Place in the World" holds the world’s largest collection of bunny memorabilia and is a singular testament of a couple's devotion to all things Leporidae.

World's largest collection devoted to one fruit.

Marta Becket's hand-painted theater in the desert.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

The ghostly remains of an accidental sea.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

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

The key to turning shifting dunes into the green oasis of Golden Gate Park.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."