The fountains of the U.S. Navy Memorial are annually salted with water from the Seven Seas as part of a nautical ritual.

Look closely and you’ll notice that the color changes a third of the way up the tower.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

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

The bank that helped fund the Mexican-American War and the purchase of Alaska met its downfall after helping Augusto Pinochet launder money.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

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

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

A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.

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

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

Was there a small "backpack nuke" hidden in the attic? JFK apparently thought so.

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

The tiny airport in remote Newfoundland that inspired a hit musical is also a modernist architectural gem.

The intense competition of the 19th-century fur trading industry played out at this fort in Western Canada.

A celebration of one of the West End’s most recognizable figures, who made helping others his life's work.

The world’s first museum dedicated to exploring human rights unleashed a wave of controversy.

This whimsical fountain pays tribute to Toronto's four-legged friends.

One of the largest underground systems runs under Canada's largest urban center.

One of the foremost Sherlock Holmes collections is hidden away at a Toronto library.

This unusual structure may be on its way to becoming a cultural landmark in Toronto.