A treasure trove of astronomical, mathematical, and scientific instruments at Cambridge University.

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

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

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

In the middle of a remote desert town is a surprisingly opulent hotel.

An errant donkey ushered in a new era of mining in Nevada.

There's nothing creepier than a cemetery next to a clown motel.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A stoic rock cairn is all that remains to remember one of the more brutal instances of frontier treachery in American history.

A Mars simulation in the southern Utah desert.

This outsider art paradise is filled with dinosaur sculptures crafted from recycled machinery.

This roadside stop between Goblin Valley is the perfect location to view some of the region's natural wonders.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

An Ancestral Puebloan ruin that appears to burst into flames in the sunlight.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

A house carved into a rock in the 1940s.

A small oasis not far from downtown Moab.

The fifth-longest natural arch in the world, and the longest outside China.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

This geothermal hot spring hides beneath a slowly growing mineral dome.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."