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

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

Mirrored floors and arched shelves create the illusion of an infinite tunnel of books.

A real-life replica of a home from Hayao Miyazaki's beloved movie "My Neighbor Totoro."

A network of sandy streets lined with verdant fukugi trees weaves throughout this tiny seaside town.

A common entry point to the Griffith Observatory trail holds its own wonders.

A beautiful waterway tucked in the corner of a power plant.

A raised boardwalk winds through a thicket of stunted, century-old trees no more than nine feet tall.

A cave 150 feet beneath Kansas City is the perfect climate for growing 10,000 delicate orchids.

A whimsical village of unique treehouses resides in a Washington forest.

A magical museum of fairy tale treasures near Cyprus' buffer zone.

This ancient oak tree plays matchmaker for singles willing to branch out from the usual dating scene.

This terrifying glass bridge on the side of a mountain cracks as you step on it.

Things aren't quite what they seem at this mind-bending museum.

Dozens of lights dangle from the branches of what may be the brightest tree in Los Angeles.

A layered tribute to the work of mosaicist Isaiah Zagar.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

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

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

The magical, mossy forest that inspired Princess Mononoke.

A secluded art gallery hidden within the cellars beneath Tallinn’s medieval monastery.

This Manchester laundromat is hiding something.

Built over an abandoned train yard, this hidden gem is full of winding paths and offers gorgeous views of Sydney Harbour.