Designed as a labyrinth, this subterranean prison was crafted without bars or doors.

The stunningly blue waters of these beautiful caves also have a violent past.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

Rumors of the occult haunt this upscale 1920s hotel.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

The ancient tomb acts as a calendar that keeps perfect time.

The silent film master's legacy commemorated in all the right and wrong places.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

Eat a tasty meal in the house where John Steinbeck was born.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

The 5,000-year-old megalith is believed to be Scotland's tallest standing stone.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

More stones than Stonehenge, all scattered within a windswept landscape sure to enchant 'Outlander' fans.

One of the best places to see feral Colonial Spanish Mustangs in the United States.

The highest point in Virginia can only be reached by passing through ponies and flowers.

See some of the world's greatest racing horses at this idyllic thoroughbred breeding facility and garden complex.

These free-roaming horses were once destined to disappear from the land.

A circle stone within a stone circle.

A neolithic dolmen that was rebuilt after collapsing during the 19th century.

Legend says this ancient pagan site can cure all ailments.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

This single-track road rewards brave drivers with stunning Scottish scenery.

Nose around a unique collection of more than 300 natural aromas used to craft perfume fragrances.

World's largest cave was only discovered in 1991, and now offers tours to the public.