The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

Charles Babbage's proto-computer, painstakingly brought to life.

Rusted and decayed, this former mining site is a portal to the past.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

A plaque on the side of a parking garage marks the burial place of a great Ottawa chief.

Hundreds of graffiti artists have decorated this flood-wall on the west bank of the Mississippi River.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

The oldest bridge in South Carolina may have been designed by the same man who created the Washington Monument.

A 13th-century stronghold that has fallen into ruin.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

Pizza with a side of fine art.

The palatial McDonald's that inspired Wesley Willis.

A technicolor place of worship for Elevationists.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

A multiversal transit station located right below a highway interchange.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

A seven-story 1920s mausoleum outside Denver houses thousands of remains.

This iconic science fiction house still looks like something from the future.

A stark reminder of the huge nuclear weapons plant that once stood on the site and its effect on the surrounding area.