A giant Troll lurks under one of Seattle's oldest bridges.

To find the "unicorns of the deep" you've got to go downstairs.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

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

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

This municipal playground was co-created by the father of one of the most playful characters ever.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

See massive fossils that are over 200 million years old in northeastern Arizona.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

The oldest continuously occupied public building in the United States.

This giant pocket watch is the third iteration of a local landmark that has been standing just off the Santa Fe Plaza for over 100 years.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A small side chapel in Santa Fe's basilica is home to the oldest statute of the Virgin Mary in North America.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

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

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

This unusually circular centenarian barn became a Route 66 icon.