Built for an exposition in 1915, these horticultural displays have stood the test of time.

One of the largest trees of its kind in California.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

A couple turned their front yard into an artistic masterpiece.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

This is one really big nut.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

An annual festival celebrating Colorado's most famous frozen corpse.

These aggressively sustainable art homes look like something out of 1970's science fiction.

Legends surround this jagged rock formation in the New Mexico desert.

Dramatic river bend surrounds a natural red-rocked pedestal.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The world-record holder for the longest bridge stretching continuously over water.

This storied music venue was once a tavern that housed an Italian Anarchist book club and prohibition parties; today it's a community space for artists and musicians.

A group of artists transformed this desolate city alleyway into an outdoor gallery of street art.

What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

A house and yard adorned with bizarre concrete sculptures in a Milwaukee suburb.