A former hospital is now home to a pizza parlor and maybe a few ghosts.

This small-town pizzeria won the Hollywood lottery.

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

A "haunted" landmark on the coast of Southern California.

A hand-built folk art installation covered with messages of God's love.

All of the Malaysian sweets at this shop are made daily with a whole lot of love.

The impeccably spiced roast pork buns at this bakery are worth the wait.

Dine on dumplings at the oldest dim sum restaurant in New York.

This psychedelic tourist trap is a leisurely descent into madness.

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

Hamburgers are intensely proud of their tunnel beneath the river.

This colorful creation wasn't always a welcome part of Toronto's Moccasin Trail Park.

A repurposed railway tunnel with otherworldly acoustic characteristics.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

This former train tunnel is filled with lines from a poem crafted by Robert Louis Stevenson.

This brick-lined pedestrian walkway was once a railway tunnel used during the Civil War.

Home to the longest wooden escalators in the world.

An abandoned railroad tunnel transformed into a creepy path for hikers and cyclists.

This nondescript tunnel has been featured in a number of iconic movies, from “Roger Rabbit” to “Back to the Future.”

The oldest hotel in Nevada.

This once bustling boomtown hotel is now the hottest spot in Nevada for ghost hunters.

Eastern zen meets Western grit in these four little trees growing out of a rock on Lake Tahoe’s Nevada shore.

Harder layers in colorful sandstone weather out as prominent “fins" and even more intricate and bizarre shapes.

Narrow slot canyons in a badland eroded into soft sedimentary rock provide an otherworldly landscape in this remote Nevada state park.