The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A science teacher's dream.

The biggest solar telescope in the world helps reveal the secrets of our sun.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

An urban laboratory.

The world's largest military aircraft cemetery.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

Ancient pueblos built into the base of a natural canyon wall.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

When ecosystems collide in the arid Southwest.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

Only known mainland rookery of the threatened Stellar sea lion.

Its 27 graveyards represent the many nationalities and ethnic groups that voyaged to this wilderness in the late 19th century.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

The highest point in Washington state is a volcano covered in glaciers.

Orcas on display and in the water.

A museum dedicated to the history and exploration of both popular music and science fiction.

A walk through the historic city center, under the streets of Seattle.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

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