See four top-secret US spy aircraft of the Cold War era, including the legendary SR-71 Blackbird and the A-12 Oxcart.

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

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

A historic presidential getaway on the continental United States' southernmost island.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A monument celebrating the idea of reaching inaccessible places.

An extravagant western hotel where every floor is the "ground floor."

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This megalithic tomb was crafted by a mysterious civilization that settled the island of Pantelleria.

This ancient walled garden turns fog into food.

This mountaintop refuge rehabilitates tigers, lions, bears, and more from illicit wildlife trade—and offers overnight lodging.

One of the oldest show caves in Arkansas.

This mill has survived a tumultuous past to still produce flour and cornmeal.

A home designed to be on the cutting edge of comfortable, low-cost living.

Learn all about this iconic air rifle without putting an eye out.

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

Kansas's Grassroots Art Capital welcomes visitors to Lucas through its very own World's Largest Thing.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

This artsy public restroom is shaped like a giant john.

A unique attraction and museum dedicated to exploring iconic roadside structures.

This historic railroad hotel built from Kansas limestone was once the most popular hotels for traveling salesmen in the midwest.

A 20-foot-tall egg painted in a traditional Czech patterns by the Czech community in Wilson, Kansas.

This tiny old water tower once doubled as a makeshift jail.