Despite its name, this route in southern Utah offers a heavenly day trip.

Possibly the oldest living thing in Europe, more likely a pagan survivor.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

This tiny patch of arid sand sits in one of the greenest states in the United States.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

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

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

A house carved into a rock in the 1940s.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Most-visited and most-photographed slot canyon in the American Southwest.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

Dig for your own trilobites in this goldmine of invertebrates.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

In the depths of the Everglades, one man has dedicated his life to studying the elusive Skunk Ape.

As its grandiose name implies, this wooden dome is unsurpassed in size.

The meteor that sealed the fate of the dinosaurs landed at this site, one of the largest impact craters in the world.

20,000 pieces in a Frank Gehry-designed building.

A unique attraction and museum dedicated to exploring iconic roadside structures.

"A hideous albatross in the Hudson River Valley."

Covering 37 subterranean acres, this Armillaria gallic is a famous fungus with its own festival.

A mysterious air force base built to resemble a Long Island fishing village.

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

An unrealized dream to wirelessly electrify the entire Earth.