The final resting place of a controversial man who was instrumental in plucking the banjo from obscurity.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

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

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

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

Perhaps the most scandalous statue of America's first president.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

Home to items never before seen by the public.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

At 207 feet, one of the world's longest continuous escalators.

See the computer’s history revealed over the course of 20,000 years.

Home to the deepest rift anywhere on Earth.

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.

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

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

Derelict buildings are all that remain of a complex at the site of one of the worst mining disasters in Montana history.

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

A collection of huge, site-specific sculptures sitting in the Montana woods.

Touch an actual dinosaur bone at this eclectic trove of Rocky Mountain treasures.

A scenic ravine with an astounding collection of rock art created by the Indigenous people of the Great Plains.

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