Temporary Burning Man sculpture made of two 18-wheelers.

An enormous illuminated figure dances on the Las Vegas strip.

A giant open-air sculpture made of over 200 full-sized boats.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

The 40-foot-tall votive candle is the largest of its kind.

A National Historic Landmark with a scenic clock tower and park filled with deer and peacocks, plus a military museum.

Three hundred years of preserved Spanish colonial history in San Antonio.

These boots are made for selfies.

The summer home of the largest colony of bats in the world.

An exquisite grouping of structures made from 10 tons of invasive saplings.

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

Locals dubbed it the "Owl Building" because of its bird-like appearance.

This stone windmill marks an old, mysterious homestead in what is now central Austin.

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.

Turning night into day in Victorian-era Austin to thwart a serial killer.

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

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