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

A stratovolcano located in the south of Iceland, with a long history of charted activity and a rich mythology attached.

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

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The celebrated eyesore created by starry-eyed sweethearts.

The summer tourists on these cliffs are thousands of seabirds.

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.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

This hilltop park offers magnificent views and a Frank Lloyd Wright masterpiece.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

The remains of a 19th century spring, and the site of an infamous unsolved murder.

Elevated freight railway turned wildly successful urban park.

A bronze plaque at an intersection in Hoboken marks the place where the game of baseball first took shape.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

The gravestone of the suffragist leader attracted extra visitors during the 2016 election.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.