A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

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

A motel dedicated to Southwestern nostalgia.

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."

This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

The Pentagon is so large that it was planned like a city, complete with internal highway infrastructure.

The story behind the mysterious symbol painted in front of the historic university's famous Rotunda.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

Spend the night in this formerly abandoned traditional Scottish village.

These light, hollow rolls have been linked to Acadia National Park since the 1890s.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

This luxury shopping lane has been protected by its own tiny police force for over a century.