The oldest café in Montevideo preserves its history as the city's bohemian hub.

This historic stadium was built to host the first-ever FIFA World Cup.

An epic sculpture depicting a wagon and straining oxen.

These locks on North America’s oldest canal are named after a porcine rock formation.

A 1995 memorial acknowledges the tremendous contributions of Vietnamese refugees to Canada.

An overlooked tribute to one of the most important peace deals in American history.

For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

Home to a vast and influential collection of Shakespeareana.

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

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

There’s a hidden military meme engraved on the World War II Memorial.

The country's oldest continually-operated mini golf course lies hidden in plain sight, eclipsed by one of D.C.'s most popular tourist attractions.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

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