A relatively obscure antihero from the Marvel Comics universe adorns a wall inside Iceland's main airport.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

A plaque in Madrid’s West Park marks the launch of a queer icon’s unlikely media career.

Gifted by Madrid's Peruvian community, this unusual statue celebrates the enduring ties between Peru and Spain

A 16th-century Andalusian palace.

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

Spain's largest bullring offers a unique glimpse at architecture and history.

Its appearance in "Game of Thrones" may spur on the long-awaited restoration of this medieval shipyard.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

This massive boulder was hurled into a Zurich church when a gunpowder depot was struck by lightning in 1652.

The famed crossbow of Switzerland's folk hero now adorns a restaurant wall

This statue of an obscure comic strip hero stands as a tribute to patriotic service and a cautionary tale about embracing fads.

An extensive collection of ancient Egyptian artifacts and mummies.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Steinbeck's old stomping grounds, immortalized in Cannery Row.

Fake rail crossings mark the site of an influential doctor's demise.

The first safe in this California town had to hold all the gold.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

The highest bridge in America was built for an almost unnervingly small amount of money.

Strange red rock formations that have been attributed to a higher power for hundreds of years.