A free, canine-friendly alternative watering hole near the more famous Barton Springs.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

World's smallest skyscraper, the product of a remarkable con.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Medicinal spa created with the discharge from a geothermal energy plant.

Three columns of volcanic rock shoot out of the ocean.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This stunning concert hall has become a symbol of Iceland's national recovery.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

The Hveragerði fissure runs through this unassuming shopping center.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

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

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

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.

Yo, Adrian!

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This strategically-placed fountain creates the magnificent illusion of mustangs galloping across a river.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

Belly up to the bar in Cowtown, don't forget to buy some boots.