The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

This 24-acre park offers a place for meditation in the midst of Sedona's iconic red rocks.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

Fantastic collection celebrating the final send-off.

The span is crooked and made from two older recycled bridges.

Dating to 1793, this is the oldest building in Poolesville.

The oldest surviving one-room schoolhouse in Montgomery County, Maryland.

Built in 1815, the stabilized ruins of the grist mill and sawmill are now gated, but interpretive displays on the features and functions of the mill preserve its history.

A celebrity from the late Cretaceous period.

The word "Watergate" will forever be associated with the infamous scandal in 1972, but this fountain is famous in its own right.

An echo chamber with a waterfall wrapped around its base at the Embassy of Canada in Washington, D.C.

Railroad officials in the early 1900s sought to spare travelers the sight of Roman soldiers’ private parts.

A tribute to the pop culture icon overlooks this Washington D.C. intersection.

On the Fourth of July this area will transform into a Pompeii-like storm of falling embers and ash.

This statue of the "father of television" stands prominently in the United States Capitol.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

The innocent intentions of this monument are somewhat lost in the sculpture's muscled imagery.

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

The U.S. Navy’s preposterously detailed mini battleship took 77,000 hours to complete.

Part of a WWII submarine is lurking outside the Washington Navy Yard parking lot.

Need a hardcopy of the 50-title Code of Federal Regulations? This is the place.

A portal into the bricked up canal that runs through the heart of Washington D.C.

Also known as the Founding Church of Scientology.

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