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

Nature and art meet in this curvy creation

Thousands of crosses and markers for soldiers who lost their lives in Iraq and Afghanistan blanket a California hillside.

Odd stone and concrete monuments in the "Poet of the Sierras" eclectic folly garden.

Playable, historic pinball machines fill this Alameda museum.

A decommissioned Naval base now rents itself out for people who want to blow stuff up.

The ruins of Vancouver's abandoned heritage railway.

These ancient sacred grounds granted amnesty to those who managed to reach them.

This legendary urban waterfall creates a dazzling display of rainbows.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

This century-old roadside attraction is full of bizarre rock formations.

The Ozarks' strangest dwelling.

An outsider art studio that created a piece of work so popular they had to turn mainstream.

A hotel and restaurant serving as the mecca of kitsch.

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

Abandoned landscape once home to "the world's largest winery."

Inside this museum, the history of the Walt Disney Family empire is on full display.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

A private home built to resemble the shape of a microscopic creature.

A 90-acre park on former landfill that hosts an annual kite festival.

A porcelain company's former dumping ground, completely covered in pieces of collectible ceramics.

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

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.