Collection of vintage trailers double as hotel rooms.

America's only nuclear missile silo open to the public.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

Thousands of mounted insects, and some live ones, hide within an otherwise ordinary shopping mall.

A serene garden path lined with 36 haiku stamped into clay stones.

These unusual houses look like giant boats that washed ashore on a residential street.

What began as an illegal art installation has become a symbol for unity, ocean awareness, and coastline preservation.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

San Diego's most historic and haunted home.

An inconspicuous footbridge beloved by San Diego locals.

The oldest standing structure in downtown San Diego.

Every weekend, people gather here for a brief chance to see their loved ones on the other side of the United States–Mexico border.

A magnificent, reportedly haunted mansion built for a composer by Spiritualists.

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

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

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

Forgotten under the construction of a new urban roadway is a small, abandoned part of town.

One of the earliest graveyards in the region.

A collection of mechanical beasts with some interesting names.

This monument commemorates an aeronaut who allegedly flew a plane before the Wright brothers.

A famed data visualizer's personal sculpture garden is a landscape of modern and megalithic wonders.