A lawn full of retired spacecraft on display at one of NASA's first research labs.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

A priceless collection of the Nation's cryptologic history.

The land is home to swimming ponies and a legendary 18th-century treasure.

These unusual rooms on wheels are holdovers from the 1960s.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

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

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

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

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

This collection of over 50 classic pinball machines awaits visitors to downtown Roanoke.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Once the center of Gold Rush mania, now the starting point for the Yukon Quest sled dog race.

A copy of the famous bus used during the filming of 'Into the Wild' is on display at an Alaska brewery.

The beginning of the historic Iditarod Trail connecting the Alaskan cities of Seward and Nome.

This Alaskan town appoints the general store's resident feline as honorary mayor.

The now-serene site of the largest earthquake ever recorded in North America.

This mile marker stands at the unofficial end of a highway built to defend the United States from a Japanese invasion during World War II.

A monument commemorating the role of Alaska's native Tlingit guides in the Klondike Gold Rush.