The site of Paul Revere's historic two lantern warning.

The first bell ever cast in Boston was cast by Paul Revere...and sounded terrible.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

An experimental, automotive replica of Stonehenge.

When ecosystems collide in the arid Southwest.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

Largest man-made excavation on earth!

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

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

Shoreline strewn with the remains of ghostly fallen trees.

Stroll through a wonderland of stupendous moss-covered trees.

City Council meetings still happen in this historic building, impeccably preserved on the inside.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

A museum dedicated to the history and exploration of both popular music and science fiction.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

America's only nuclear missile silo open to the public.

See massive fossils that are over 200 million years old in northeastern Arizona.

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

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.