2300-year-old Roman road connecting the empire.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

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

The surprising home of the iconic Santa Monica Pier Ferris Wheel.

Standing at 21-feet tall, this space cowboy adds to the legacy of Route 66's muffler men.

This historic theater's pipe organ still accompanies silent films just like it did in 1929.

This ostentatious Italianate palace of an Oklahoma billionaire is filled with several themed mini-museums.

A detached cement mixer has been transformed to resemble a relic from some obscure NASA mission to Oklahoma.

A natural rock formation believed to be a cure-all.

The largest land animal skull ever discovered.

One of the best examples of Art Deco architecture in the United States.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

A former chicken restaurant that doubled as a speakeasy is now a quirky home full of wonderfully strange traditions.

A castle built for love, and abandoned due to heartbreak.

America's post-nuclear-attack chambers of Congress.

A one-ton statue of Steve Rogers beautifies the entry to a Brooklyn Bed, Bath & Beyond.

Tucked away in the forests of Indiana resides an abandoned waterslide that is now a popular graffiti haunt.

Every winter, dozens of otherworldly ice structures sprout up from a rigged up artesian well.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

This petite park lets visitors see and touch examples of fossilized dinosaur tracks.

The illuminated falls are a gem in North Cascades National Park.

Bizarre Cavern.

A beautiful multicolored mound formed by the mineral deposits of the Orenda Spring.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.