A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

This sprawling, formerly elite sporting complex in Amman, Jordan has become a local picnic spot.

As the Dead Sea continues to deplete, massive sinkholes open along its banks.

An ancient capital city that dates back 3,000 years and harbors many surprises.

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

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

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

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

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

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

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

Longest fortress system anywhere in Europe.

This modern monument to pagan belief looks like it was transported straight from ancient times.

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

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

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

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

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.

Singapore's landscaping project is home to 18 incredible Supertrees.