The remnants of an archaeological camp stand within Tikal National Park.

Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.

These roaring primates were considered a divine creature in the cosmology of the Maya.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

Could it have picked a better place to land?

Where the oil industry began.

This public park was the site of the largest civilian disaster of the Civil War.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

There aren't too many operational funiculars around, but Pittsburgh has two!

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

A castle built for love, and abandoned due to heartbreak.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

The world's largest rotating world.

This tiny patch of arid sand sits in one of the greenest states in the United States.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

An unusually designed bridge from the 1920s was built to withstand the tides and winds of Maine.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

Trinkets and toys lovingly handmade by maximum security prisoners.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A museum dedicated to the alleged Roswell Incident.

This is one really big nut.