A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

This extraordinary geological oddity resembles human-made pavement.

Rare recess caves fill this unbelievably beautiful Ohio park.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

Built as a home for the Union Porcelain magnate in 1867, now the Greenpoint Reformed Church and home to a ceramic mystery.

The home of aviation trailblazers, in a remote corner of the big city.

A CT scan revealed the identity of this 3,000-year-old mummy that everyone erroneously thought was female.

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

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

This beautiful ancient site is dotted with perforated sandstone pillars considered sacred by some Native American groups.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Legends surround this jagged rock formation in the New Mexico desert.

An ancient tomb that still stands in Portugal.

The medieval town's star-shaped walls are geometrically dazzling, though not entirely impenetrable.

A majestic hotel for dreamers rises from the center of a fairytale wood.

Houses are tucked between, on, and underneath giant boulders.

Decades before the scandal, this staircase on the river was a literal "water gate."

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

On the Fourth of July this area will transform into a Pompeii-like storm of falling embers and ash.