There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

The final resting place of a space program monolith.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

A smoke stack so large, the Washington Monument could fit inside!

A wall of chewing gum moonlights as collective art.

An architect's childhood fantasy treehouse made real.

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

A beautiful geyser under environmental threat.

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

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

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.

A monument to the center of the North American continent may be off by a few miles.

Mining caused an asbestos emergency in this small town.

A small Montana town commemorates the dog who waited at the train station every day for his owner to return.

High in the Rockies the third largest statue in the U.S. opens her welcoming arms, and lights up the night sky.

These giant metal horses graze on a hilltop near the Montana highway.

Modeled after a famous church in Vienna, Austria—but in Helena, Montana.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Every president in history is immortalized in bronze in downtown Rapid City.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

As if T-rex wasn't big enough, this Canadian monument is four times larger than the real thing.

An entire city block built completely out of petrified wood.