A historic Montreal market that was the city's agricultural hub for over century.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Submerged lava formations create incredible waterworks.

This legendary urban waterfall creates a dazzling display of rainbows.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

After serving in World War II and picking up Apollo astronauts, this aircraft carrier has been turned into a museum overlooking the San Francisco Bay.

The flow from this waterfall sometimes comes out of springs below its rim.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

Chewing gum tycoon's memorial lies perched over wife's botanical gardens on Santa Catalina Island.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

The first AIDS memorial chapel in San Francisco and one of only a few in the U.S.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

A wall of chewing gum moonlights as collective art.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

The tea room that pushed the boundaries of adorable straight into... we can't find the words.

A monumental cross hides in the trees in Golden Gate Park.

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

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

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

A promotional sun clock on the site of San Francisco's great raceway.

A giant Troll lurks under one of Seattle's oldest bridges.