The place where the great marine explorer first learned to work underwater is not where you'd expect.

The monument dedicated to Phineas Gage in the town where his accident happened.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

A Mars simulation in the southern Utah desert.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Largest collection of mounted dinosaur specimens in the world.

A sculpture for the sun and stars, created by Nancy Holt.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

The only museum dedicated to the history of the "Magic Lantern," a medieval slide projector.

What was meant as an innocent piece of art has earned a reputation as the "mansplaining sculpture."

The petroleum industry brings you the joys of hydrocarbons and largest collection of antique oil rigs in the world.

The quirky gift from West Berlin for the 1968 World's Fair still stands in Hemisfair Park.

An abandoned, decaying sculpture garden built by an eccentric physician in the 1920s now looks more like a forgotten cemetery.

In Paris, Texas, even Jesus wears cowboy boots.

A view-altering observatory at the University of Texas.

Minimalist modern art on a repurposed military base in rural Texas.

Over 100 million years ago, beach-bound dinosaurs left permanent marks on San Antonio's landscape.

The only international border marker within the United States.

The Grand Canyon of Texas.

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

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

A Prada store in the West Texas desert that is never open for business.

Fantastic collection celebrating the final send-off.

A modernist landscape of water and sci-fi concrete.