A lush indoor jungle fills this bustling Madrid transportation hub.

An ancient Egyptian temple in the middle of Madrid, Spain.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

The oldest continuously occupied public building in the United States.

A natural formation that resembles a camel resting in the New Mexico desert.

This popular pilgrimage site offers a hole filled with holy healing dirt.

A blacklight journey through a celestial art exhibit.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A multi-storied adobe complex has been inhabited for more than a thousand years.

A museum dedicated to the alleged Roswell Incident.

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

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.

The last location where Buddy Holly, Ritchie Valens, and J. P. "The Big Bopper" Richardson played before their tragic deaths.

Step back in time while shopping inside this local store.

The oldest university museum west of the Mississippi retains its 19th century feel.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

One of three remaining theatres in the United States created in the Art Deco Mayan Revival style.

A Colorado store that specializes in all things spiritual, metaphysical, and witchy.

This open-air reconstruction of an Old West town, a cross between a theme park and a museum, provides an immersive historical experience.

One of the oldest continuously operating amusement parks in the U.S. is an open-air museum of Art Deco and neon lights.

A short but powerful waterfall resides amid Colorado’s Great Sand Dunes.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.