A beautiful Greco-Roman structure houses a well once believed to have healing powers.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

Designed to allow funerals to proceed over the River Dulnain.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

After decades of research and rumors, Little Zion Church was proven to be his final resting place.

Contrary to popular belief, this memorial does not actually claim to mark the bluesman's grave.

Giant novelty guitars now mark the spot where Robert Johnson is said to have sold his soul to the devil.

This Tuscan church contains a gallery of over 700 ex-votos depicting near-death experiences.

A diverse collection of wax, bone, papier-maché and mummified relics.

The mummified relic of St. Catherine sits forever on a golden throne.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The Frank Zappa fan club erected this monument to their prog-rock hero to mark a new era of post-Soviet Lithuania.

This former KGB building is now a museum memorializing the people who suffered during the Soviet regime.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

This monumental fountain has moved around the city multiple times.

A 14th-century abbey founded by a forest-loving order of monks now sits in the center of a pristine nature preserve.

A blooming house of worship for the masses.

A lonesome Moai stands in a small Italian town some 9,000 miles away from its Easter Island brethren.

In Rome’s Jewish ghetto, a 200-year-old bakery still makes the neighborhood’s historic sweets.

A popular legend claims that the famous pizza was invented at a restaurant in this alley.

A lavish 16th-century mansion filled with spectacular staircases, fantastic frescoes, and gorgeous gardens.