A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

This tree was grafted from the actual tree that led Isaac Newton to ponder the theory of gravity.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

An unusual artwork dedicated to a unique man that entertained people visiting Cambridge while raising money for charity.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

At this multicultural hub, refugee chefs serve the foods they miss most from home.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

A downtown park built on top of unclaimed graves.

Ancient human remains unearthed around the iconic monument.

Famously misunderstood wonder of the ancient world

Created by one of England's most prolific labyrinth designers, inspired by Bath city history.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

The accidental discovery of this gilt bronze head led archaeologists to find the Roman Baths in the city of Bath

This hidden green space is the city's second largest conservatory.

A kaleidoscopic warehouse-maze of handmade neon signs.

One of the largest trees of its kind in California.

A large sculptural artwork and garden in Escondido, California.

A mosaic map made of over 100,000 tiles depicts the geological features and sea creatures that live along this San Diego beachside community.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

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

When ecosystems collide in the arid Southwest.