A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

Elvis's own personal tropical hideaway.

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

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

The world-record holder for the longest bridge stretching continuously over water.

The second oldest continuously operating bar in Louisiana.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

The curiosities and wonders of pharmacy in a delightful historic building.

While exploring the desert, you can stop by the home of a fictional heretic from a parallel universe.

An old California photo stand has been turned into a shrine to the cozy art of crochet.

A fake town founded by Western movie stars is now becoming a hip desert community.

Denmark's famous pseudo-hill.

This Danish park has celebrated the American independence day since 1912.

An old limestone mine transformed into a beautiful and unusual sculpture museum.

This modernist tower was saved by a fraternity with a 500-year-old penchant for shooting at wooden parrots.

This Danish castle is supposedly haunted by a woman too independent to not be a witch.

An abandoned lighthouse awaits its destiny: being buried under shifting sand.

Tiring of digging out the door to this church for every service, it was eventually abandoned to the sands.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.