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

The most decorated dog of World War I is preserved in the Smithsonian.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Once the supplier for noteworthy projects like the National Cathedral, this old brickworks now lies abandoned.

The United States Capitol's former columns still stand.

Art deco landmark on the outskirts of Washington, D.C.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

Go take a picture with the inventor of the daguerreotype photographic process.

A much-maligned monument to teetotalism.

This former luxury resort in Kaua'i is now an abandoned relic.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

A beautiful Victorian-era cemetery, complete with a miniature village.

Leave a button on the jacket of this iconic Seattle clown.

This working class sculpture pounds his hammer all the livelong day.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

This downtown Dallas art installation is always on the lookout.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

In Paris, Texas they have their own Eiffel Tower, it just has a cowboy hat on it.

Belly up to the bar in Cowtown, don't forget to buy some boots.

42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.