La Cara del Indio honors the Taíno chief who fought bravely against the Spanish invasion of Puerto Rico.

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

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

This niche museum devoted to ancient religious artifacts is shaped like the very thing it displays.

The world's second largest single-dish radio telescope, once used to contact E.T.

Rusting, graffiti-covered tanks litter the beach of this island, once used by the U.S. military for target practice.

The world's brightest bioluminescent bay.

This small, unassuming street is now a canvas for color and creativity.

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

The unusual burial monument of Arizona's first governor.

The first permanent memorial to a unique secret weapon of World War II.

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.

A self-built castle made by a mysterious man.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.