Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

Largest lake in Great Britain measured by surface area.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

These fantastically named natural pools look like something out of a Scottish myth.

This historic national park is covered in the stunning ruins of red rock pueblos.

See massive fossils that are over 200 million years old in northeastern Arizona.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A miniature city, once ruled by the Queen of the Netherlands.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

Scholar, adventurer, saint, and instigator of the Goa Inquisition.

World's most expensive home.

An extraordinary "City of Caves" carved from solid stone.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

The once highest point in China blends symbolic design with a kick of adrenaline.

The most famous location in China was home to whole dynasties worth of imperial rulers.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.