This museum covers 10,000 years of Pre-Columbian Latin American history.

A museum founded to reflect on and remember the human rights abuses under Chilean dictator Augusto Pinochet.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

This enormous storm barrier is one of the largest moving structures on Earth, with each arm taller than the Washington Monument.

The last bastion of Roman presence north of the Alps looms over a German town.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

A famed artist's inspiring work of peace and tolerance.

Walk 2,300 feet above the ground on the "Troll's Tongue."

Climb inside an iron crystal magnified 165 billion times its normal size.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

A vertically floating hemlock controls the waves and weather at Crater Lake.

A massive sea stack famous for its appearance in The Goonies.

The magic's in the hole!

A heavenly experience, right here on Terra Firma.

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

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.