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

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

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

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

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

On the side of Arkansas' Great River Road stand the remains of a forgotten World War II POW Camp.

This century-old roadside attraction is full of bizarre rock formations.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

An industrial waste tourist attraction.

The only airport with a people mover system designed by Walt Disney Imagineering.

In Houston's airport, a cow is properly equipped to jump over the moon.

The Cold War-era "underground Pentagon" is a sprawling subterranean hideaway for the Defense Department.

Experience the pivotal Civil War battle at this interactive museum.

Themed gardens, a conservatory, and a rose named for Milton Hershey, all overlooking Hersheypark.

This mobile theater show highlights the story of Hershey through fun facts, unique stories, and plenty of candy samples.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

This downtown Dallas art installation is always on the lookout.

See the sky in a new way through this art installation.

The unique location where the former president was rapidly sworn in.

Fall through a crack in the seams of reality at this immersive art installation.

This strategically-placed fountain creates the magnificent illusion of mustangs galloping across a river.

A glimpse at Walt Disney's vision for a "community of tomorrow," in miniature.