This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

One of the largest Masonic temples in the world, created at the height of the oil boom in ostentatious style.

A whimsical tower with a spiral staircase, inspired by the Space Age and the Möbius strip.

An oil baron's wild paradise and the winner of an ill-fated air race.

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.

Nature's biggest mammal swims in landlocked Oklahoma.

These massive mitts are made of 30 tons of devotional bronze.

An acoustic anomaly with a mysterious cause.

Watch the newest land on the planet form before your eyes.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

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.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

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

A controversial memorial at the place where Captain Cook met his violent end.

This soda factory is one of the last in America to use real cane sugar despite the protestations of Dr Pepper.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

An emerald-green grotto just a short trip from Austin.

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

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

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

Life's work of sculptor Elisabet Ney remains preserved in her last studio.

Controversially claiming the title of world's biggest bass drum, UT's Big Bertha was once made radioactive by the Manhattan Project.