For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.

These recently uncovered walls are all that's left of Washington, D.C's first defense contractor.

‘Bush the old fire dog died of poison July 5th, 1869. RIP.’

A public art jibe at one of the United States’ oldest and longest-serving senators.

The oldest house in Washington, D.C. wasn't originally constructed in the nation's capital.

This poor little statue is the most vandalized memorial in Washington.

An amazing example of early-20th-century architecture, this church features marble transported from Utah.

You could be standing at the site of one of D.C.'s most fatal tragedies and not even know it.

A surprising, but overlooked example of geology in the middle of the nation’s capital.

There's a crumbling old mansion inside the Smithsonian National Zoo.

A tribute to the pop culture icon overlooks this Washington D.C. intersection.

Washington's top-secret Cold War-era doomsday communications tower is located in a small neighborhood park.

The only Civil War battle in Washington D.C. took place near this highest natural point in the city.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

Lie in a hammock where George Washington stood.

One of only two commuter aerial tramways in the United States.

The Cape Cod house that whaling built.

The largest glacial erratic boulder on Cape Cod.

Centuries-old hoofprints and wagon tracks reveal themselves after a good winter storm.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

Teddy Roosevelt’s famous “midnight ride to the presidency" started at this small lake high up in the Adirondacks.

The summit Roosevelt conquered before he descended to become The Chief.