A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Tiki luxury on Nob Hill.

Quite simply the largest tree in the world (by volume).

Established in the '60s, a family-owned tropical drink bar founded by Ray Buhen, bartender to the stars.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

San Francisco's newly reopened hands-on science museum.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

The rusting remains of the largest assembled WWII fleet on the West Coast.

Glass and concrete building designed by Albert Kahn.

The concrete shell of an industry giant remains as a playground for graffiti artists, auto scrappers, and paintball warriors.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

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

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

One of the largest underground systems runs under Canada's largest urban center.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

This whimsical fountain pays tribute to Toronto's four-legged friends.

A Beaux-Arts triumph rises from decades of decay to become the heart of a new innovation district.