Ancient pueblos built into the base of a natural canyon wall.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

An artificial crater field that trained astronauts for lunar exploration.

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

The first declared National Monument in the United States.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

Remember that scene in the Matrix, when Neo is in the big white room with all the weapons flying by? Well, this is what it would look like if he had wanted trees instead of guns.

The highest point in Washington state is a volcano covered in glaciers.

The narrowest street in Canada was once a spot for dastardly doings, now a historic piece of Chinatown.

One of two side-by-side totem pole parks dedicated to educating visitors on Tlingit history and culture.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

A bronze statue dating back as far as 1252, still has remnants of gold on its right cheek from ancient gilding.

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

A 6-mile-long lake created by an apocalyptic seismic event and the deadly chain reaction that ensued.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

Supposedly Satanic numbers adorn this preserved submarine sail.

Home to the deepest rift anywhere on Earth.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.

The location along the shores of the Great Salt Lake of what was once called, "The Coney Island of the West", now sits barren due to arson and time.

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

Eons ago, a rushing lava river formed this pristine passage through solid rock.

The wreckage of a deadly bomber plane crash can still be found near an Arizona peak.

Old submarine parts have been converted into faux whale fins.

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