It would be a crime to miss it.

One of the largest trees of its kind in California.

The freeway that never was.

The tiniest tiki room in San Diego.

The classic Atari game's iconic aliens have invaded 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.

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

North America's largest accredited model railroad museum.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

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

Lemon Grove, California is known for its giant lemon...and mummified bodies.

A couple turned their front yard into an artistic masterpiece.

An inconspicuous footbridge beloved by San Diego locals.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A legendary speakeasy bookstore returns from the brink.

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Become a prohibition rebel.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Read a book next to a Midtown waterfall.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

Order scoops of pandan, lychee, and black sesame at this family-run institution.