Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

More than 21,000 images fill this overlooked gem of a prehistoric site.

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

A wealth of pop culture statuary and green chile dishes give this roadside restaurant clout.

Steep canyon walls hide a forested oasis in the West Texas desert.

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

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

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

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

A small side chapel in Santa Fe's basilica is home to the oldest statute of the Virgin Mary in North America.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

The oldest continuously occupied public building in the United States.

This giant pocket watch is the third iteration of a local landmark that has been standing just off the Santa Fe Plaza for over 100 years.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

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

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

Artist Natividad Sánchez wrote a new ending for one of Roman mythology's tragic love stories.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

In this 400-year-old hotel in Madrid, you'll find a comb in every room, an old clock, and maybe a ghost.

An automaton perched above an classic clock and watch store

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

A statue commemorating a beloved stray dog who was adopted by the entire neighborhood where he lived.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.