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

A symbol of Texas pride.

An entire subdivision was accidentally built on a flood plain, resulting in its eventual demolition—but the streets are still there.

Lewis Carroll's White Rabbit or something else altogether?

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Some of the best pastries in "the Czech heritage capital of Texas" come from a gas station off I-35.

The largest whale museum in Europe allows visitors to walk among life-size giants.

Nature's biggest mammal swims in landlocked Oklahoma.

This grimly-titled Texas cemetery is all that remains of a Wild West settlement with possibly the worst name.

A spur fit for a giant sits just off Highway 281 in Texas.

Fine dining 20 feet below the surface in the Indian Ocean.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

A time-capsule monument reminding future generations of the importance of efficient and effective use of natural resources.

These half-buried combine harvesters just off Route 66 are an homage to the Cadillac Ranch.

The Grand Canyon of Texas.

A small car graveyard sits in the shadow of the famous Cadillac Ranch.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

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

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

Home to Hollywood history and a very special salt crystal.

This failed condo development was reborn as a street art hub.