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

Campus tradition says couples who walk beneath this enormous oak will stay together forever.

Decades of discarded bottle caps line this alleyway, a fixture of Texas A&M.

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

A 131-year-old wunderkammer of Texas history.

At the "Garage Mahal" in Houston, car culture is about more than just driving.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

A modernist landscape of water and sci-fi concrete.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

In the Netherlands, one of the world's largest private car collections can be found.

The largest 19th century panorama in the world still in-situ.

The world's northernmost aquarium looks like it has fallen over.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This rustic old building is said to be the most photographed barn in America.

A sharp bend in a dramatic river canyon cut through red rocks.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

2300-year-old Roman road connecting the empire.

The yawning maw of this pagan visage is said to bite off the hands of liars.

San Francisco's oldest operating hotel, with a Victorian atmosphere and a "haunted" fourth floor.