The largest drain hole in the world.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

Hidden inside a gift shop that doubles as a museum, this gargantuan yo-yo can only be operated by crane.

The beauty and the beast of hydraulic mining is on full display at this California Historic State Park.

The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California."

The colorful, smiling concrete silos of Vancouver.

At just six feet two inches deep, it is said by Guiness and Ripley to be the world’s narrowest freestanding office building.

An effigy of Vancouver's Gastown neighorhood's namesake.

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

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

A wall of chewing gum moonlights as collective art.

This working class sculpture pounds his hammer all the livelong day.

Commonly referred to as the most photographed Victorian home in the United States.

A trash dump made beautiful by nature's power.

An exotic wildlife habitat right off The Strip.

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

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

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

More than 700 species live within this murky marvel of a swamp on California's coast.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

This ruined fort and statue are a testament to the last king of Kaua‘i’s savvy diplomacy skills, which briefly brought Russians to Hawai‘i.