A men’s restroom became a sandwich shop.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

This supermarket is suspended 25 feet above an interstate highway.

This intricate Hindu temple is the largest of its kind outside of India itself and was constructed like a giant puzzle.

The whole world in one water tank.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

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

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

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Inspired by a music box, a small town Vietnam vet carved an entire carousel full of animals by hand.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

I Street Bridge is the heaviest swinging center bridge in the United States.

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

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

A bit of retro transportation flair preserved in the world's largest department store.

A much-maligned monument to teetotalism.

The record holder for the world’s largest peach.

Art deco landmark on the outskirts of Washington, D.C.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

A museum dedicated to exhibiting remarkable outsider art.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.