A former electrical substation is now home to an eccentric junk art masterpiece.

A view-altering observatory at the University of Texas.

This eclectic, mosaic-clad home includes a bamboo ping-pong loft and a "Whispermaphones" intercom.

A grove of colossal man-made flowers built to collect the sun's rays.

Free public park and gardens filled with peacocks and peahens.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

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

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

Continuing the tradition of the dime museum in style.

Austin’s local mountain isn’t really a mountain at all.

This small stone building, the final work of a renowned artist, offers a peaceful environment with radiant, colorful glass windows .

This unassuming North Austin neighborhood was built to test the novel idea of home air conditioning.

Just like the real 36th president of the United States, animatronic LBJ amuses visitors with jokes and stories.

A small island hides in plain sight on Austin's Lady Bird Lake.

A free, canine-friendly alternative watering hole near the more famous Barton Springs.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

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

Forever immortalized in concrete, this Simpsons etching was crafted by show creator Matt Groening.

Remember that scene in the Matrix, when Neo is in the big white room with all the weapons flying by? Well, this is what it would look like if he had wanted trees instead of guns.

Beyond being incredibly fun, not much can be said about the Hole with certitude.

The original span of a high bridge across the deep Crooked River Gorge has been preserved for pedestrian use.

Atop an active stratovolcano, two lakes separated by a narrow strip of land.

Along the Outback Scenic Byway, adjacent to hot springs, this human-made geothermal feature takes unexplained breaks.

This 85-foot-long table is made from a single slice of an old-growth Douglas Fir.