270 million year-old forest of stone.

This snug medieval lane is one of the narrowest streets in the world.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

This replica of the Greek structure is in the heart of Nashville.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

Morocco's Argania trees are infested with nut-hungry goats.

A seemingly endless landscape of pure salt stretches far across Bolivia.

A million and a half tons of earth were used to create one of the world's largest land sculptures.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

A pixel art killer whale is frozen mid-leap in this Vancouver square.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

Lived-in building, bedecked with an astonishing array of mirror mosaics.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

The original "capsule building" is a masterpiece of Metabolist architecture.

The largest volcanic caldera in Japan holds an entire city in its maw.

This massive chapel in the middle of the Indonesian forest is both haunting and fowl.

Handsomely crafted representations of our round planet.

This "floating railway" is one of the world's oldest monorail systems.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Rippling sand dunes frozen in the Arizona rock.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.