A Civil War fort in the middle of Washington, D.C. has been swallowed by a forest.

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

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

A derelict bit of transportation infrastructure hidden in the woods.

A wondrous old library overlooking the nation's capital.

A historic neighborhood church is reborn as a psychedelic arts collective.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

This grand gothic brewery has been pumping out suds for over a hundred years.

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

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

The walls of the iconic dome are hollow and have a secret stairway.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

A palatial art deco restroom.

Direct, creative challenge to Mother Nature's winter wrath.

A Perpetually Under construction Park.

A Borgesian work of art that may blur the line between fiction and reality a little too convincingly.

An old soap company building now houses one of Minneapolis’s oldest independent non-profit art galleries.

Secret hideaway for an alternative beach experience.

When flour explodes, it's not a pretty sight.

A museum dedicated to the exploring past, present, and future innovations.

A butcher shop in Minneapolis has all the meats and cheeses you’d expect from any of its kind—except that all the products are vegan.

20,000 pieces in a Frank Gehry-designed building.

A whimsical sensor instrument for Minneapolitans to play on their walks to work.