The fossilized remains of ancient California redwoods.

A trash dump made beautiful by nature's power.

Experience Larry Spring's self-taught "common sense" laws of physics.

This massive redwood tree has a hole in the base big enough to drive through.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

The longest living non-clonal organisms on Earth.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

Seller of surplus nuclear research materials.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

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

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

Go inside to really appreciate this 500-year-old technological masterpiece.

One of the largest caves in the world open to the public.

This famous archeological mystery may be an ancient example of movable type.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

The rusting remains of the largest assembled WWII fleet on the West Coast.

'Cause the fence start shaking, the earth was quaking.

A tribute to the life and work of the beloved "Peanuts" cartoonist.

The haunting ruins of Jack London's dream house.

One woman's Viking Castle on Lake Tahoe.

The largest drain hole in the world.