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

Even in death, he's still your huckleberry.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

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

When ecosystems collide in the arid Southwest.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

The largest self-built castle in the U.S., six decades in the making.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

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

Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.

These roaring primates were considered a divine creature in the cosmology of the Maya.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

Hidden deep in the Guatemalan jungle is a turquoise paradise of natural pools, caves, and waterfalls.

A vintage video game wonderland in downtown Reykjavik.

This tiny museum's sizable collection is jammed into a former underground public toilet.

Walk in the footsteps of the gods and straddle two tectonic plates.

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

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.