The romance of early commercial flight still fills this Art Deco destination.

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

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

Eighteen miniature death-scene dioramas.

America's post-nuclear-attack chambers of Congress.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

A historic coal mine that doubles as a museum and tourist attraction.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

This university transit system is a 1970's vision of the future.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

This claimant to the title of "smallest church in the 48 states" doubles as an equally tiny, quasi-post office.

The United States Capitol's former columns still stand.

Where America's first doomsday cult awaited the end of the world.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The country's oldest continually-operated mini golf course lies hidden in plain sight, eclipsed by one of D.C.'s most popular tourist attractions.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

A much-maligned monument to teetotalism.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

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

The site of the climactic scene from the classic horror film is now a historic landmark.