When it opened during the final years of the embargo, all the drinks and cigars were free.

Portland had a unique approach to Cold War-era protections.

Illegal drag racing two stories beneath Chicago’s streets.

This Manhattan skyscraper is a reminder of the brief but glorious age of urban air taxis.

Chevron maintains one “Standard” brand station per state so it doesn’t lose the trademark.

People escaping slavery may have hidden inside a corpse vault.

The ruins of the "20-year town" lay out among the mountains of Alberta.

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.

A hoard of sky catalogs, astrophysical journals, even the works of Galileo and Copernicus.

The system of air guns are fired off remotely to scare any trespassing avians.

The contents of this safe survived a 37-kiloton nuclear bomb.

This quirky piece of naval artillery has been deafening Canadians for over a century.

The only way to visit this old resort hotel is with scuba gear.

Canada’s surprisingly controversial monument to Dwight Eisenhower.

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

The monumental home of Prussia’s eccentric "Cannon King."

This lovely pocket park is one of the most under appreciated in D.C.

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

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

The wooded estate of the Forest Service employee responsible for D.C.’s cherry blossom trees.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

During Prohibition, the U.S. Congress had an "official" bootlegger, with his own Capitol Hill office.

These abandoned waterworks are crumbling into the Potomac River.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.