A tiny waterway named after a ghost story.

Austin’s nonprofit-run graffiti park where street art is meant to be painted over.

One part antique store, one part curiosities hodge-podge.

Some islands... they come, they go, especially on Lake Travis.

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

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

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

The biggest solar telescope in the world helps reveal the secrets of our sun.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

A reproduction of earth's many biomes.

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

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

A monument celebrating the idea of reaching inaccessible places.

"We Seceded Where Others Failed."

Electrical pylon in the shape of Disney's beloved mouse.

The culprit who accidentally lit this 3,500-year-old tree on fire stated "I can't believe I burned down a tree older than Jesus."

A vast array of tropical plants collected by a vacationing couple.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

This black shoreline is made up of exploded lava particles.

These ancient sacred grounds granted amnesty to those who managed to reach them.

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

An urban laboratory.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.