Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

This playground sculpture of an icon from the past is dedicated to the children of the future.

A massive sea stack famous for its appearance in The Goonies.

Two massive rock outcroppings on the Oregon coastline.

Ride a mechanical corn dog at the alleged birthplace of America's favorite deep-fried wiener.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

A relatively obscure antihero from the Marvel Comics universe adorns a wall inside Iceland's main airport.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

This impressively large collection includes crackers shaped like Jimmy Carter, Mickey Mouse, and more.

This remarkably simple jail went over a century without an escape.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

The first safe in this California town had to hold all the gold.

This eagle-topped spire remembers the military commander who snatched up California for the United States.

Steinbeck's old stomping grounds, immortalized in Cannery Row.

The unbelievably opulent home built for an infamous newspaperman.

This public Skyspace created by artist James Turrell for his alma mater puts on a show every day at sunrise and sunset.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

Traversing these canyons, visitors can take in stunning views and glimpses of the region's history.

An eerie natural formation that looks right back at you.

This outdoor observatory offers stellar views and a scale model of our solar system.