A relatively obscure antihero from the Marvel Comics universe adorns a wall inside Iceland's main airport.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

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

An opulent monument built for a duke who donated his entire fortune to the city of Geneva.

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

This road winds through the steep coastal cliffside offering spectacular views for those who brave the drive.

This kitschy tavern is also home to rare early editions of "Treasure Island."

A medieval abbey featured on 'Game of Thrones' that dates back to the 12th century.

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

This sidewalk tribute honors Colorado's great culinary creation.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

This super steep hike ascends 2,000 feet in less than a mile.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

There are eight natural springs around town, each with a slightly different taste.

Neal Cassady may still have an open tab at one of Denver’s oldest watering holes.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The self-proclaimed gateway to the Extraterrestrial Highway.

This sign designates the road that leads to the infamous Area 51.

This tremendous timepiece was once the largest cuckoo clock in the world.

A famed artist's inspiring work of peace and tolerance.