This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

This colorful gate stands as an entrance to the walled city of Old San Juan.

A former pyramid-shaped library with colorful murals lies just across the bay from Old San Juan.

The bat-covered home of one of the world's most popular brands of rum is located on a tropical Art Deco campus.

A park where people have been going to feed friendly pigeons since the 18th century

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

An enchanting natural wonder in Puerto Rico's Camuy River Park.

This museum preserves the heyday of Puerto Rican coffee.

This beach pool offers a spectacle of crashing waves, blue hues, and a historical lighthouse.

There are no bodies inside these stone coffins. And there never were.

This century-old roadside attraction is full of bizarre rock formations.

A symbol of Texas pride.

This sculpture of a bowler hat is complemented by a matching umbrella a few blocks away.

The final resting place of an outlaw, whose legend grew after death.

This impressive ledge seems to float above the Upper Buffalo Wilderness.

The granite monument is engraved with the image of the talking horse's head coming through a barn door.

An outsider art studio that created a piece of work so popular they had to turn mainstream.

Where Elvis Presley received his first Army buzz cut.

Once the smallest park in the national system.

A historical house furnished with authentic pieces from the Victorian period.

The largest land animal skull ever discovered.

The world's only museum devoted solely to the art and collection of action figures.

People of the Plum Bayou culture built these enormous mounds over 1,000 years ago.