Fossils, railroads, and waterfalls!

The only way to visit this old resort hotel is with scuba gear.

This massive and unusual rock formation near Okotoks is the world's largest known glacial erratic.

A true roadside icon standing on the same plains that the herds once roamed.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

At the time of its completion, it was the tallest dam in the world.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

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

One man's ambition created this psychedelic log home.

A beautiful geyser under environmental threat.

The first declared National Monument in the United States.

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.

D.C. once had its own tiny rival to the New York Stock Exchange.

Look closely and you’ll notice that the color changes a third of the way up the tower.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

The "lovely red Vega" of the legendary record-settling pilot.

The national park was once a plantation estate.

The walls of the iconic dome are hollow and have a secret stairway.

Home to items never before seen by the public.

This playground sculpture of an icon from the past is dedicated to the children of the future.