Location of the most powerful laser in the world, and the potential birthplace of tiny stars.

The longest burning light bulb in the world.

If you dial the number in this abandoned office window "Sam Spade’s" secretary will ask you to leave a message.

The only parking meter in the entire town, it is surrounded by 100 free spaces.

A Tibetan Temple and Buddhist organization just off the beaten path in Northern California.

Canyon walls shrouded in ferns.

These cinderblock farmhouses were actually World War II radar stations in disguise.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

This offbeat trailer park is home to vintage peddlers, local artists, indie makers, and more.

Wool processing mill in an unlikely location.

Remnants of a forgotten 1920s speakeasy and Prohibition-era murals were discovered in its basement.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

Site of the greatest known waterfall that ever existed.

A cave interior in the shape of the ancient rhinoceros, created by lava cooling around its carcass.

People come from across the globe to swim in this lake believed to have healing properties.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

An enclosed rotunda at the Henry Art Gallery in which viewers can look up and see the uninterrupted sky.

This Cold War missile launch site has been abandoned for 40 years.

Statues of Ramona Quimby, Henry Huggins, and Ribsy the dog in the park where their adventures "really happened."

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

Hub of Scandinavian culture in a Minneapolis deli.

Sleepy Minneapolis block beats Guinness Record for most churches on one city block.