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

One of the largest Masonic temples in the world, created at the height of the oil boom in ostentatious style.

Located in the place where the Columbia space shuttle came down, a museum-memorial that is both touching and informative.

The world's tallest statue of an American hero.

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

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

World's smallest skyscraper, the product of a remarkable con.

The bridge continues the legacy of President Franklin D. Roosevelt's New Deal policy.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

This abandoned building made of petrified wood was once a hotspot for buying moonshine.

This former Texas landfill is flush with 300 million-year-old fossils, all fit for the taking.

Crumbling hotel echoes with the sounds of the '30s.

Decaying military base deactivated in the 70s is now visited by urban explorers and military enthusiasts.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

This downtown Dallas art installation is always on the lookout.

This strategically-placed fountain creates the magnificent illusion of mustangs galloping across a river.

Belly up to the bar in Cowtown, don't forget to buy some boots.

The "world’s largest honky-tonk" also has its own indoor rodeo arena.

The iconic remains of the original Academic Hall that burned down in 1892.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

This quirky Arkansas wax museum does not shy away from the macabre and the grotesque.

Everything in this miniature world was handmade from matches, paperclips, wires, tin cans, and other everyday objects.