Olfactory delights in San Francisco's Botanical Gardens.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

The stone circle honors the 19 firemen who perished during the Yarnell Hill Fire.

A geological mystery on Camelback Mountain.

A spiritual vortex among the red rocks in Sedona.

This memorial includes fragments from one of the greatest tragedies in United States history.

See massive fossils that are over 200 million years old in northeastern Arizona.

This sanguine boulevard was named after a deadly cowboy bar fight.

A motel dedicated to Southwestern nostalgia.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

This historic national park is covered in the stunning ruins of red rock pueblos.

Ancient pueblos built into the base of a natural canyon wall.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

A secret rendezvous spot where John S. Mosby and his Rangers would meet to divvy up their loot after raids.

This estate on the banks of the James River was home to a Founding Father, two presidents, a famous bugle melody, and what some say was the actual first Thanksgiving.

The last of Fairfax County's one-room schoolhouses.

A visionary, futuristic sculpture in Los Angeles that never met its extraterrestrial potential.

Recorded as the first person buried in Arlington Cemetery.

This little blue house pokes out over the campus of UC San Diego, seven stories high.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

An inconspicuous footbridge beloved by San Diego locals.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

One of the largest trees of its kind in California.