For almost 100 years, this site of peace and spirituality has existed on the California coast.

There has been an astronomical clock on this spot since the 14th century.

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

The unique building practices of the Batammariba reflect the community's deep reverence for and connection to the earth.

A monument to the more than one million enslaved Africans deported from the port of Ouidah.

Dozens of snakes are housed and worshipped within the walls of this Vodun temple.

Africa's Venice on stilts.

Used as an example in one of the first dictionary entries for "museum" in 1706.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

This medieval village clings to a cliff in southwestern France.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Quito's historic, main square dates back to the 16th century.

It took 160 years to complete the most ornate church in Ecuador.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

One of the most ethnically diverse spots on the planet.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

Final palace complex of the last of 29 Kokand rulers.

Ancient barriers wrap around what was once an important stop along the Silk Road.

The Avenue of Mausolea is a series of grand palatial tombs.

Lonely minaret stump of a destroyed city.