A sliver of nostalgia in Seattle's Viretta Park.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

City Council meetings still happen in this historic building, impeccably preserved on the inside.

The building features one of the last remaining free-floating spiral grand staircases in the U.S.

A historic hotel with many stories of haunted activity.

A magical sanctuary of mythological statuary.

Outside this souvenir shop is a statue of Bigfoot composed of volcanic ash, and plenty more to see inside.

The highest point in Washington state is a volcano covered in glaciers.

A simple midtown bar was once the home of a secretive and exclusive club staffed by "bunnies" under Hefner's strict rules.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

Finally, you don't have to be a pious Swedish seaman to relax like one.

Though the case is scorched and the buttons half-melted, this hardy handheld gaming device can still run a game of Tetris.

This bridge is haunted by the ghost of a distraught mother.

This North Carolina museum is keeping the pinball craze alive, with a little Space Invaders on the side.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

Sculptor Vadim Bora's bronze felines pay playful homage to architectural features no longer extant along Asheville's Wall Street.

A museum dedicated to the legacy of Bob Moog and his pioneering synthesizers.

Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

This rare basilica nestled right in downtown Asheville is an architectural marvel, inside and out.

The location along the shores of the Great Salt Lake of what was once called, "The Coney Island of the West", now sits barren due to arson and time.

A massive sea stack famous for its appearance in The Goonies.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

The longest structure of its kind ever built in Michigan.

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."