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

A daily replay of the experiment that proved the rotation of the Earth.

A planned settlement in Pennsylvania once housed the aristocratic refugees of the French Revolution.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

The first and only carousel with a lineup entirely of insects.

A winding, cliffside stretch of road overlooking the Delaware River.

The most confusing clock in New York.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Elevated freight railway turned wildly successful urban park.

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

Three columns of volcanic rock shoot out of the ocean.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This beautiful, historic church looks like something out of a simpler past.

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 blowhole is supposedly caused by a trapped monster.

Race through the maze, get your name on the sign.