Quite simply the largest tree in the world (by volume).

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

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

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

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

Sleep snuggled in a sphere suspended atop the forest canopy of Vancouver Island.

This frequently-photographed waterfall takes only a short hike to visit.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

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

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

A picture-perfect town, perfect for blowing up.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

A museum dedicated to the alleged Roswell Incident.

The world's longest known cave system.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

San Francisco's newly reopened hands-on science museum.

Explore 10 acres of environmental sculptures.

The magic's in the hole!

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

The private clubhouse for the members of the Academy of Magical Arts.

One person's lost luggage is another person's treasure.

An unusual round church in London with a Templar past.