"X" marks the spot of an echo chamber in the middle of a plaza.

This quirky curiosity shop takes its cues from the world's bazaars.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

This old army installation has worn many hats throughout its history.

The ruins of this former mining boomtown once housed over 3,000 people. Now, the population is two.

The most powerful laboratory radiation source in the world pulses with 1,000 times the electricity of a lightning bolt.

A one-of-a-kind sundial at the Very Large Array honors a radio astronomy pioneer, incorporating the original piers from his breakthrough radio telescope.

Crumbling remnants of what was once a booming town full of silver.

Reproductions of nine banned oil paintings coyly hidden behind a curtain in a New Mexico conference room.

A cave's rare beauty held a cavernous secret hidden underground.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

A natural formation that resembles a camel resting in the New Mexico desert.

In the middle of a desert subdivision, there is supposedly an impact crater site from Kcymaerxthaereal times.

The state bird of New Mexico, constructed entirely out of garbage.

This is one really big nut.