An oil baron's wild paradise and the winner of an ill-fated air race.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

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

This little slice of old Jerusalem in Oklahoma is the evolution of a century-old passion play.

A museum honoring Oklahoma military service, where you can look into Hitler's mirror and see a Mickey Mouse gas mask.

The highest point in Oklahoma used to be a lawless outlaw's paradise.

Final resting place of Geronimo, Quanah Parker, and the first atomic gun ever fired.

These massive mitts are made of 30 tons of devotional bronze.

The largest land animal skull ever discovered.

One believer transformed a local curiosity into proof of Vikings on the Great Plains.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

Where hills of dirt conceal the burial ground of one of the most powerful ancient Native American societies.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

Nature's biggest mammal swims in landlocked Oklahoma.

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The anatomical-pathological collection of a man who changed surgery.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.