Everything you always wanted to know about borates is here.

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.

There’s a hidden military meme engraved on the World War II Memorial.

The sculptor was instructed to add “stallion attributes” to the general's bronze mare.

An overlooked memorial honoring the local Washington residents who died in World War I.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

An enormous image of Utah's salt flats made entirely from tape.

This monument remembers the first Japanese Americans forcibly relocated during World War II.

It turns out that a hurricane-prone beach is probably not the best place to house wild animals.

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

Given just one more year to live, Conrad Schuck built his dream house in Bartow, Florida.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

Four abandoned towers hidden above the Douglas fir forest in Washington.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

A replica of the famous memorial statue at the Normandy American Cemetery hides in an office building in downtown D.C.

Hike amid the palm trees that thrive among Southern California's Indio Hills.

Entering this curiosity shop is like stepping into a mad scientist's lab.

This offbeat trailer park is home to vintage peddlers, local artists, indie makers, and more.

This morbid scene depicts the Darwinian drama of death on the African savannah.

This secluded date farm can be reached only by following a bumpy, single-lane desert road.

The oldest house of worship in Palm Beach has a wonderful tropical garden.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.