Fittingly, America's museum of architecture is itself a magnificently designed old building.

The Cadillac Ranch for monster truck aficionados.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

The North Carolina grounds are leased in perpetuity to the British Commonwealth for as long as the WWII sailors are buried there.

Walk through the history of American pop culture.

The likeness of the Baltimore music icon was unveiled in time for the anniversary of his Senate hearings on music censorship.

This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

A wondrous old library overlooking the nation's capital.

Home to items never before seen by the public.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

A line of blue paint marks the route of the inaugural parade.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

Brain collection and database that narrows the gap between man and animal.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

Final resting place of two dozen New York City harbor ships.

Failed state-supported institution meant to rehabilitate students with intellectual disabilities.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

Eccentric stone cairns built on a public New York City beach.

World Trade Center memorial likened to a woman's sexual organ.

Once America's longest-manned military fort, now an abandoned hulk.