A beautiful geyser under environmental threat.

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 abandoned amusement park was built on a site with a dark history.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

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.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

An emporium for the weird, creepy, rare, and just plain gross.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

A house carved into a rock in the 1940s.

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

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

Eighteen miniature death-scene dioramas.

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

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

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

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

Mysterious rocks that ring musically when struck.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

Venue for strange sideshow displays and musical acts.

Where America's first doomsday cult awaited the end of the world.

Home of an evil witch famous within southern folklore.

Continuing the tradition of the dime museum in style.