Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

A mysteriously abandoned campsite in San Angelo State Park.

The record holder for the world’s largest peach.

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

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

A 131-year-old wunderkammer of Texas history.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

"We Seceded Where Others Failed."

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

A "Texanic" (gigantic Texas) collection of Art Deco architecture at Dallas' historic Fair Park.

The top of a giant mesa, just outside of Amarillo, appears to float in the sky above.

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

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

A decaying concrete oil tanker served as a disposal location for bootleg hootch.

This tiny, hurricane-resistant house in Galveston is one of the city's most notable architectural oddities.

The world-record holder for the longest bridge stretching continuously over water.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

An adorably sweet display of sculpted Precious Moments figurines.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

The largest retailer of seashells in the world.