A house built from trash known as the poor man's Hearst Castle.

Thousands of turbines whir at at the origin of North American wind power.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

Hiding amid the largest camellia collection in the country lies a charming children's maze, donated by a secret admirer.

Version of the French Riviera destroyed by the sea.

The world's smallest drawbridge.

Population: 1.

The largest island on the great salt lake is home to curious creatures and strange stories.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

Elevated freight railway turned wildly successful urban park.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

A beautiful geyser under environmental threat.

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

The world's brightest bioluminescent bay.

The world's second largest single-dish radio telescope, once used to contact E.T.

These curious caverns have been home to mushrooms, gangsters, and disco.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

When flour explodes, it's not a pretty sight.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Medicinal spa created with the discharge from a geothermal energy plant.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Stone monument honoring a town founder has a witch-boot shaped stain and a curse to go with it.