Thousands of volcanic rocks carved 1,000 years ago.

A pocket of serenity in hectic Buenos Aires, complete with a peaceful courtyard and massive library.

Museum housed in underground tunnels that date back to Buenos Aires's earliest settlements.

A tower devoted to — and modeled after — the Divine Comedy.

A bright little alley in La Boca is a part of tango history.

A gateway to a mysterious network of underground tunnels.

A mega theme park-wax museum mélange containing all things biblical.

A museum of carnival attractions where you are invited to ride the rides.

The last SR-71 ever constructed.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

A replica that won't float away.

“You better take care of me Lord, if you don't you're gonna have me on your hands.” ― Hunter S. Thompson, Fear and Loathing in Las Vegas.

An enormous image of Utah's salt flats made entirely from tape.

This granite monument at the site of an ill-conceived tourist attraction is built from the same stone as the Mormon Temple.

Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

Everyone and everything one man ever loved and lost, now stare into the East for all eternity.

The final resting place of the camel who served with the Confederate Army during the Civil War.

These early tent-shaped grave coverings are unique to Appalachia.

A house of courtship where the Jazz Age's most storied lovers got their start.

Where school buses go to die and be reborn as whimsical works of art.

Near the ruins of a Civil War coastal fortress lies the only known African refugee cemetery in the United States.

The graves in Florida's oldest Black cemeteries are marked with shells, stones, and mementos of the deceased.

A bit of retro transportation flair preserved in the world's largest department store.

This former prison is an Art Deco masterpiece with a past full of civil rights flashpoints.