At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

An annual festival celebrating Colorado's most famous frozen corpse.

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

Steadily reminding Czechia of its past.

Looming communist pillar with a Czech twist.

This automated sculpture of two men peeing will spell out text messages with their micturition.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

A mocking tribute to the past and modern leadership of Prague.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

The only castle in North America to ever house European sovereigns.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

Commonly acknowledged as the only public monument to the Devil himself.

An unconventional space for art and science housed in a massive old warehouse.

A beautiful but toxic fountain of mercury.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

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

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

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