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

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.

A Memphis park where you can walk the whole Mississippi River in one go.

Home to drunken tower-climbing goats... seriously.

This tiny business claims to be "the smallest pub on the planet."

A headstone notes where the most famous of Robin Hood's legendary Merry Men is reportedly buried.

Medieval Danse Macabre Fresco in Northern Brittany.

An isolated 17th-century chapel on a remarkable site once dedicated to Celtic sun worship.

The current Eureka County Courthouse replaced an all-wooden structure that had previously been an ice-skating rink.

A Nevada mining boomtown that ran out of silver and luck.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

One of the most remote lodges in the Amazon offers rare wildlife encounters and undisturbed views of the Peruvian rainforest.

The first botanical garden, a feather in the cap of the Grand Duke of Tuscany.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

Fortified medieval tower house with lovely roof garden.

A stunning bridge that appears as if it's lunging to the shore, and has a legend of a devilish architect.

This Tuscan lake hides a 13th century town that is still visible when the water recedes.

The only substantial part of Nazi Germany's formidable defensive line through Northern Italy that survives today, largely intact.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

An unreal vintage shop that wears its dadaist influence on its zombie fish.

A glittering South Asian anomaly in a wealthy Los Angeles suburb.

This abandoned oil depot produces world's longest echo in a manmade structure.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.