A historic arena where the Beatles played their first concert in the U.S.

A street in front of NASA's D.C. headquarters has been named in honor of the Black women who were essential to early spaceflight.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

The giant birds honor two native North American species.

The artwork commemorates the many ways 20th-century people perished while on the clock.

A monument to the 17,000 Chinese who worked and died to build Canada's Pacific Railway.

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

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

This propitious plastic porcine has been petitioning park visitors to pick up after themselves for more than 50 years.

This colorful West Virginia cowboy greets passersby with a glassy stare.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

An abandoned 1920s school with a mysterious history.

A humble plaque marks the site where the country music legend was found dead in his Cadillac.

The failure of one component toppled this entire bridge during rush hour.

A melancholy guardian doubles as a judicious godmother to this small town cemetery.

Once home to a booming 19th-century oil town, the park now houses a World War II submarine memorial complete with a torpedo.

This abandoned train tunnel has been the subject of countless ghost stories for years.

Live data is transmitted from the Atlantic coast to instantly recreate the ocean waves in this fountain at the NOAA headquarters.

This lookout tower built in the 1930s is now an in-demand cabin with what might be the best view of the Seneca State Forest.

Unannounced visitors are now welcome at the site of the largest Prohibition-era bootlegging operation in the region.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

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

Four bald cypress trees in Lafayette Square, across from the White House, mark the southern edge of a 100,000 year old cypress swamp.