This is one really big nut.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

A clear blue swimming hole with hidden caves, still unexplored.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A museum dedicated to the alleged Roswell Incident.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

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

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

This San Diego museum, housed in a former Navy training facility, is dedicated to preserving women’s historic achievements.

An inconspicuous footbridge beloved by San Diego locals.

Hidden beneath the streets of London is a secret subway that only carried mail.

This South London cemetery holds the remains of more than 15,000 people.

These morbid carvings remind churchgoers of the inevitability of death.

Ask nicely, and stewards of a centuries-old charitable tradition will give you free bread and beer.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.