Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

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

This historic hotel invented the chocolate brownie.

A short but powerful waterfall resides amid Colorado’s Great Sand Dunes.

In the 1950s, two women saved this grand theater in the Colorado mountains from demolition.

On the edge of grassland in northeastern Colorado, these rock formations are some of the few remnants of a high plain that has eroded away over millions of years.

A long and winding trail through history led to the current iteration of this mountaintop tower.

The site of a minor battle might have been forgotten if not for one participant’s famous family and the death of a respected warrior.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

At this gas station in the middle of the desert, a convenience store has been carved directly into the rock.

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

Metal water storage tank turned ethereal concert hall.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

This nearly abandoned town was once a thriving mining community until a series of fires.

Austin’s local mountain isn’t really a mountain at all.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

An Ancestral Puebloan ruin that appears to burst into flames in the sunlight.

Thousands of years ago, Indigenous people painted images onto these canyon walls that are still on display today, provocative, mysterious, and enduring reminders of the people who lived here long ago.

Contains a wealth of information about the first exploration and later use of the Green and Colorado Rivers.