This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

When ecosystems collide in the arid Southwest.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The history of the plush toy and South Korea collected under one roof.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

The hidden lair of an alchemist rediscovered in a 2002 flood.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

Possibly the oldest of Britain's ancient henges is also one of its most stark.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

This trio of Dominican cave lakes comprise a colorful biosphere of natural life.

The farmhouse owned by the Danish author who wrote "Out of Africa" is now a museum honoring her legacy.

This road winds through the steep coastal cliffside offering spectacular views for those who brave the drive.

A growing popular hipster market with over 100 local specialties and live music.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

Every equinox this Maya pyramid puts on a spooky ancient light show.