These constructed wetlands naturally filter millions of gallons of treated wastewater every day.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

The remains of the worst military aviation accident in Canada's history.

The Jewish diaspora shares a menu at this museum café.

This famous church is adorned by a mural commemorating the independence of Vatican City.

This haunted corpse of a drive-in is now a graffiti-covered ruin.

On Japan's Tashirojima Island, cats are king.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

An exquisite tunnel of cascading flowers.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A kaleidoscopic warehouse-maze of handmade neon signs.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

World's largest collection of serial killer artwork and other macabre exhibits.

A psychedelic labyrinth on the San Francisco bay.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Driftwood dinosaurs lurk within trees covered in a rainbow array of avian abodes.