The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

Iceland's tribute to its thankless civil servants.

This verdant, tree-lined Reykjavik graveyard is both enchanting and eerie.

This stunning concert hall has become a symbol of Iceland's national recovery.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

This grisly headstone doesn’t seem to be resting in peace.

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

Behind an abandoned storefront is an example of pioneering 1930s gas station architecture.

Home to a vast and influential collection of Shakespeareana.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

The discovery site of the "Capitalsaurus," the official dinosaur of Washington, D.C.

The towering figures were created from the cemetery's fallen old-growth trees.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

Art deco landmark on the outskirts of Washington, D.C.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

An unassuming, powerful monument north of the U.S. Capitol bears witness to the resilience of Japanese Americans during a time of grave injustice.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

Government testing at the asylum briefly explored using marijuana as a "truth serum" on Nazi prisoners of war.

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

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.