Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

The house that birthed The Old Man and The Sea is now a museum devoted to the old man who wrote it.

An impressive century-old, to-scale topographical map of Guatemala.

Guatemalan womanizer, venerated during Holy Week.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

Volcanically heated hot springs.

These sacred Mesoamerican ruins feature peculiar petroglyphs hidden in the stones.

The stoutest tree in the world.

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

An obscure waterfall that looks like something out of a fantasy novel.

A small Montana town commemorates the dog who waited at the train station every day for his owner to return.

The only road through the heart of Glacier National Park.

The shortest river in America flows for just 201 feet.

Spectacular views await visitors to this lake.

An entire town preserved as a historic landmark.

For thousands of years, Native American hunters drove buffalo straight off this cliff in Montana's Yellowstone Country.

This set of hot springs also comes with fantastic views.

Modeled after a famous church in Vienna, Austria—but in Helena, Montana.

The old fire tower is one of the last of its kind in the United States.

Between Missoula and Spokane, a family-owned travel center has an unusual museum in the back.

New fungal and bacterial species call this deadly lake home.

A smoke stack so large, the Washington Monument could fit inside!

This amazingly preserved Gold Rush town is a historian's dream.

A classic carnival ride that was carved to be untouchable.