A legendary ghostly hound supposedly left dark marks on a place of worship.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

A fantastical group of cliffside stairways, bridges, and twisting paths carved out of stone provide a surreal coastal hike.

Known as the most scenic route in Sri Lanka, this train line is steeped in history and offers an unparalleled view of the country.

An ethereal glowing blue ocean cave in Croatia.

The world's longest nonstop reversible cable car soars through spectacular scenery to the medieval Tatev Monastery.

A giant 400-acre preserve in North Florida for displaced wolves.

A curious art park at the geographic center of Europe is home to 3,000 television sets and other wonders.

A crumbling watchtower and a lighthouse overlooks the site believed to be the Sirens' cliff in the "Odyssey."

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

Nope, not the one in France. The only officially-recognized reproduction of Monet’s garden in Giverny is located in a remote corner of Japan.

An ancient woodland that inspired a young J.R.R. Tolkien.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

Dig for your own trilobites in this goldmine of invertebrates.

The oldest bar in Missouri is hidden within a limestone brewery cellar more than 50 feet underground.

Bali's remote "gateway to heaven" is one of the most sacred places on the island.

One man's eclectic collection of treasures found at sea.

A historic casino where Dostoyevsky is said to have lost it all on a single spin of the roulette wheel.

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

After sunset the heart of Zanzibar's historic Stone Town neighborhood transforms into a culinary playground.

More than 100 Hindu temples are slowly being swallowed by the forest.

Its look is severe, but its location, isolated on a hill in the middle of the countryside, is particularly scenic.

The world is full of swimming holes, but few compare to Samoa’s idyllic To Sua ocean trench.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.