Read a book next to a Midtown waterfall.

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

Take a drunken tour inside the world's largest known geode.

A castle that was built stone by stone by an eccentric journalist.

Hollowed out cedar log tubs set in an ancient towering forest.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

Where beautiful signs live on forever.

Where manatees are the snowbird vacationers in these balmy Florida springs.

An underwater city for the dead.

A beautiful geyser under environmental threat.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

The first declared National Monument in the United States.

A museum dedicated to the history and exploration of both popular music and science fiction.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

Stroll through a wonderland of stupendous moss-covered trees.

A one-of-a-kind collection of a unique medium.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

Enormous lake at the bottom of a unique cave system.

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

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."