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

This massive oak tree has ties to the first native tribes of the region and the founders of Texas.

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.

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

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

This eclectic Austin curiosity shop is home to all things strange and unusual.

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

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.

Live data is transmitted from the Atlantic coast to instantly recreate the ocean waves in this fountain at the NOAA headquarters.

An astounding collection of medical specimens, including bits of President Lincoln.

The only public swimming pool in Baltimore open to Black Americans during segregation is now a permanent memorial art exhibit.

One artist’s scheme to expand museum viewing hours into the evening led to the illumination of an entire city.

An eerie, abandoned military base engulfed by nature and graffiti is now home to a local park.

The memorial honors the lives of rhinoceroses killed by poachers.

This urban park is home to monkeys and a number of endangered plants.

This local art collective supports contemporary artists through a coveted residency program.

The world’s largest permanent desert lake is a UNESCO World Heritage Site.

Kenya’s oldest town is more than 700 years old and home to 6,000 donkeys.

This colonial fort is an intriguing example of Renaissance military architecture.

Abandoned city hidden from the world by tropical forest and isolation on the coast of Kenya.

Drink and dine in a coral cave that's at least 120,000 years old.

Strange sandstone canyon known as the "place broken by itself."