A hidden three-foot-wide house separates these two regal churches.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

A 16th-century Andalusian palace.

A historic grist mill and active sluice on the Black River.

This fairy tale-themed amusement park is now abandoned, and childhood metaphors abound.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

A giant green dragon crawls down from the roof of the Providence Children's Museum.

A work of art that pays homage to a Victorian timepiece in Providence.

Rhode Island's tallest building bears a resemblance to the "Daily Planet" building and has been empty for more than five years.

An architectural statement of artistic intent smack in the middle of Providence, Rhode Island's Colonial uniformity.

This blue behemoth of a bear is a colorful homage to Brown University's mascot.

A simple Colonial home with a past haunted by death and madness.

The origin of these small islands' sweet names is a local mystery.

An ode to Japanese artist Hokusai, with a bit of a comical twist.

The tennis legend used this racket while breaking the race barrier and becoming the first Black man to win the US Open.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

Atop an active stratovolcano, two lakes separated by a narrow strip of land.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

This cave column thousands of feet below the earth’s surface is rightly named for one of the most colorful park rangers in history.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

Every president in history is immortalized in bronze in downtown Rapid City.

A monument celebrating the idea of reaching inaccessible places.