Ethereal alien hums and haunting whale songs emitting from...a giant sheet of vibrating metal?

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

The site of the one of the most deadly train wrecks in American history.

In 1912, a broken section of the reservoir wall released millions of gallons of water and destroyed many homes downhill.

Flaunt your karaoke chops at this pitch-perfect dive bar.

A heartwarming message to those entering and departing Music City from above.

On a clear day, you can see all the way to the Virgin Islands from the top of this observation tower built in the 1960s.

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

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

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

This small primate research island is teeming with playing, fighting wild monkeys.

The world's brightest bioluminescent bay.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

One Confederate statue that accurately reflects the ugliness of its subject.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

Visit this playground of waterfalls, caves and sinkholes.

An unknown Hall of Fame in Jackson, Tennessee.

One of the last Depression-era bandshells still standing was the site of Elvis Presley’s first live concert.

This park offers a variety of sights and activities including trail rides and buffalo sightings.

Over 200 people were buried here with only a small stone to mark their final resting place.

An engraved boulder marks the spot where Patsy Cline's life ended in a plane crash.

Over a dozen Native American earth mounds dating back over 2,000 years dot this Tennessee archaeological park.

It may take some time to locate, but it's sure to warm even a heart of stone.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.