A river runs through this remote valley in a very unexpected way.

Two creeks flow out of either end of this canyon in opposite directions.

The park is home to the United States's only still-operating Dutch windmill.

This spectacular track has run continuously since 1882.

One of the few working locomotive roundhouses in the United States.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

This general store is a one-stop-shop for workers at the Prudhoe Bay oil field.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

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

This historic street in Quito is known for its seven stone crosses—and one presidential assassination.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

This sparsely populated town offers a look back in time.

Within the former ghost town of Cisco is a carefully restored tiny town with one resident and its own art residency.

This huge green space packed with activities will make you forget you're in the middle of the Ecuadorian capital.

A short volcanic hill in Quito doubles as a stellar observation point of an iconic statue.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

Ecuador’s historic seat of government has been quietly looted in recent decades, and no one knows how or by whom.

This demon atop the Notre-Dame de Paris looks utterly bored.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

A historic hotel library in Indiana hides more than a few secrets on its shelves.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

It took 160 years to complete the most ornate church in Ecuador.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

Quito's historic, main square dates back to the 16th century.