One woman's Viking Castle on Lake Tahoe.

A glittering South Asian anomaly in a wealthy Los Angeles suburb.

An abandoned marine theme park has created a difficult experiment in dolphin rewilding.

This half-finished "city of toys" was almost Italy's own Las Vegas.

A crumbling wizard is one of the final reminders of a roadside Middle Earth.

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

A semi-abandoned replica of Prince Edward Island's Avonlea—in Japan.

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground

This medieval castle was painted pink as part of a now-abandoned children's theme park.

A haunting theme park is slowly being swallowed by the jungle.

The abandoned medieval theme park was meant to be the "Disneyland of the Philippines."

Someone left a Boeing 737 in a field in southern Bali.

The wing of this deserted Boeing 737 almost touches the Dunkin' Donuts next door.

This unique architectural wonder is home to luxury apartments.

A natural arch offers panoramic views of Yangshuo's karst hills.

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.

This magnificent arch is all that remains of a former smelt mill.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

Spend the night in this formerly abandoned traditional Scottish village.

A magical, if a bit tacky, 1960s castle conjures up medieval fairytales and Greek mythology.

This former luxury resort in Kaua'i is now an abandoned relic.

A curious building honoring past and current members of a historic musical comedy troupe.

A layered tribute to the work of mosaicist Isaiah Zagar.