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

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

A former major munitions plant that has been converted into a sprawling art space.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

The Grand Ole Opry's big voice came from a small home in rural Virginia where she was eventually buried.

One street divides a single town that stands in two U.S. states.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

Easily overlooked in favor of the wineries that dot the region, this blast from the past is equally worth the visit.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.

A historic pub with traditional Irish cuisine, fine drinks, and a paranormal past.

Order the extra snappy, steamed hot dogs at this fourth-generation-run New England diner.

This small shop walked so America could run on Dunkin'.

This old-fashioned carhop restaurant gave the world the waffle cone.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

Don't get it twisted: This is the oldest pretzel bakery in the United States.

This grand Spanish-Cuban restaurant has been serving customers for more than a century.

The 32nd president's sprawling cottage sits on an island enclave jointly managed by the U.S. and Canada.

This historic lighthouse has been reincarnated as the perfect picnic place.

This strangely specific landmark will let travelers know when they are half way there.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

This historic cemetery stopped accepting bodies before many Canadian cities were founded.

A morbid piece of memorabilia from the most famous shipwreck in current history is just one of the many poignant artifacts in this Canadian museum's collection.