For over 70 years, this house was home to a pioneering Black artist and educator.

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

The historic home of an educator, abolitionist, activist, and poet.

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

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

The first memorial dedicated solely to the Black troops who fought for the Union.

The former home of Lillian Evans Tibbs and her grandson, Thurlow Evans Tibbs Jr., whose prodigious contributions to music and art spanned more than 90 years.

This house was once the location of Frelinghuysen University.

A downtown park built on top of unclaimed graves.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.

Take a hike to this remote, scenic tea stop in the Canadian Rockies.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

You can find America's highest suspension footbridge at Grandfather Mountain in North Carolina.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

A little-known mural reveals the hydrological reason for Atlanta's founding in this location.

A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.

An underground magnet for ever-changing street art.

A colorful square marks the heart of the city's LGBTQ community.

This angular brutalist playground turns playtime into modern art time.