Places mardigny Wants to Go

France's national museum of scientific and industrial instruments.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

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

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

The ancient tomb acts as a calendar that keeps perfect time.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A modernist landscape of water and sci-fi concrete.

Tubing through a cave lit with glowworms is a magical underground experience.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Walk 2,300 feet above the ground on the "Troll's Tongue."

This massive library holds what was once the largest book collection in the world.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The largest earthwork effigy in the world.

A dilapidated dock tells the story of Titanic’s missed arrival.

An ethereal glowing blue ocean cave in Croatia.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

A Hawaiian stairway to heaven—that you can't climb.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.