The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

A beautiful geyser under environmental threat.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

Half of a waterfall goes into the river while the other half seems to disappear.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Northern Ireland's church-turned-skate park.

One of the few guarded stops along the great spice route.

Massive fortress bastions in the desert of Cholistan.

Celebrating the Eucharist, the day is a legal holiday in many parts of Germany.

A small world of mechanical magic and metal merry-go-rounds in a Outsider art Museum.

A self built castle built by a salt worker in Brazil.

An unused hyberbolic electricity pylon kept as architectural monument.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

This peculiar lake of pitch is so thick and viscous that one can walk on its surface.

An invitation-only museum of items natural and bizarre, arcane and exotic.

Unused mast taller than every structure in the EU.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

Medical museum focused on antique anesthesiology equipment.

A science teacher's dream.

This shop for all your super spy needs hides an educational secret.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

There are no crying babies in this neck of the woods.