A sparse, solitary sequoia still stands as a living tribute to the famous conservationist who planted it—but it's dying.

Bonsai garden in Oakland is curated by the first non-Japanese female bonsai master in the United States.

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.

This quaint archive of the silent era preserves and pays homage to a seminal moment in film history.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

A hidden subterranean installation offers a view of the sky.

Acres of natural wonders left behind by a socialite-turned-gardener.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

A sculpture for the sun and stars, created by Nancy Holt.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

The history of radiation is on safe display at the foot of a radiation science laboratory.

This mesmerizingly colorful pond looks like a scene straight out of a fairytale.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

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

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

Australian Lake set aglow by Noctiluca Scintillans.

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

A multimedia experience that chronicles the atrocities of racism.