This giant temperature attraction created some giant electric bills.

Experience a charming 1930's version of "infotainment."

A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

The drama of nature in full effect in this Nevada State Park.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

A former Confederate hospital serves as a remembrance of wounded and dead soldiers.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

The maritime museum that boasts the largest nautical library in the western hemisphere.

A hugely vast Irish landscape of barren rock that stretches for miles.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This modest plaza in Moneygall, Ireland has cashed in on its distant connection to the U.S. president.

The most powerful waterfall in all of Europe.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

A sulfuric martian landscape that looks far better than it smells.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.