A tiny Greek Orthodox church from the Ottoman era hides on a busy city street.

A Byzantine church containing the holy remnants of three saints sits atop the site of an ancient temple.

The only ancient site that remains on the south bank of the sacred Ilissos river.

This statue is an ode to an iconic roadside advertisement popularized during the 1970s.

This former mining town was named the most toxic town in America.

When you can afford only half a road, you build only half a road.

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

A whimsical tower with a spiral staircase, inspired by the Space Age and the Möbius strip.

To honor his gardening wife, this yard artist turns bowling balls into playful, colorful sculptures.

Site of the 1926 murder trial of Ernest Burkhart who was involved in the "Reign of Terror."

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.

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

An acoustic anomaly with a mysterious cause.

One of New York's most iconic authors is strangely honored by this Oklahoma park.

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

This abandoned, windowless concrete block is one of the strangest buildings in Tulsa.

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

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

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

This highway overpass was named after the tragic disappearance of a young mother who got mixed up with the wrong people.

A funhouse dummy that turned out to be a real life mummy, Elmer McCurdy is an urban legend come true.

Tucked away on an empty wooded lot in suburban Oklahoma City lie the remnants of an abandoned circus camp.

Celebrate the history of the rich and truly misunderstood relationship between man and pigeon.