An abandoned Cold War missile radar site.

A rare example of World War I trenches from the British front.

One of the most remote spots in America and the first protected wilderness area in Nevada, named after an old legend.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

Railways may have forged this quintet of lovely tunnels, but now they are open to hikers.

The only thing stranger than stumbling onto these philosophical musings is the story of the homesteader who created them.

A little-visited waterfall in an otherworldly landscape.

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

Common all over Japan, kōbans are small community police boxes, and now one is guarding one of L.A.’s megamalls.

A speck of nature and art in one of San Francisco’s most notorious neighborhoods.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

The shortest river in America flows for just 201 feet.

The world's first hotel built in an abandoned water-filled quarry.

Two pillars set 10 paces apart commemorate the "last notable American duel."

This desert oddity hides in plain sight thanks to a cartographic error and a desert explorer with a punny sense of humor.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

Crossing this suspension bridge feels like walking through the sky, a fitting tribute to the head of the Apollo program.

A fairytale island floats in the middle of Italy's little-known Lake Orta.

A trove of century-old litho stones from the Puck Building's printing days were discovered behind a cellar wall, and are now hanging in the store.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.