A popular swimming hole that hides one of America's most deadly diving spots.

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

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.

In the fictional world of Kcymaerxthaere, this was the former home of the Marshal of Gravity and the site of his tragic death.

Unusual house, in an unusual neighborhood, home to some very unusual peanuts.

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

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.

Roadside Americana, fairy tale characters, and Austin quirkiness come together at this magical course in the heart of Texas' capital city.

A high-octane shrine to the greatest Texans who ever lived.

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

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

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

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

Continuing the tradition of the dime museum in style.

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

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

A unique set of caves that spits waves back out into the ocean.

Doris Duke's lasting collection of Islamic Art, hidden in a Hawaiian paradise.

The grand marquee of this abandoned Hawaiian theater remembers the building's elegant past.

An ode to one of the first concerts broadcast via satellite.

During the solar phenomenon "Lahaina Noon" this bendy, curvy sculpture forms a perfectly circular shadow on the ground.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.