A forgotten 1800s burial vault hides in plain sight beneath a busy downtown Houston bridge.

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

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

The highest bridge in America was built for an almost unnervingly small amount of money.

When ecosystems collide in the arid Southwest.