Once a granite mine, this beautiful lake is the perfect place to cliff jump and zipline in Denmark

A bronze, peeing self-portrait protests unequal inheritance rights.

This historic hotel has hosted the likes of Babe Ruth, Jimmy Carter, and the Vanderbilts.

Intricate, eye-catching, award-winning rubber sculptures liven up this Pennsylvania town.

These fascinating 19th-century tombs in the center of Pune belong to Europeans who lived in the city in that era.

This 317-ton walkable art installation is an homage to Korea's "City of Steel."

Cathedral-like Victorian vaults are hidden within this iconic bridge.

Two gushing waterfalls of hot spring water within a block of each other.

The massive mountain ash that once stood at this site was cut down in an effort to prove that it was, indeed, the tallest of its kind.

A miniature beach in the middle of the desert.

A place to appreciate the sweat and ingenuity it used to take to make a pot.

Explore a remarkable 35-hectare sculpture garden located an hour outside of Lisbon.

This family of wooden moose statues have become local celebrities in their hometown.

Make sweet music as you walk through this interactive sonic sculpture.

In 1869, Swiss and German immigrants settled in this small town in the mountains of West Virginia.

This massive redwood tree has stood in Northern California for nearly 2,000 years.

The farm where one of America's most famous folk artists created her paintings.

This small memorial honors a ferocious feline and local hero.

A monument to the groundbreaking environmentalist sits near the place where she first experienced the sea.

This former tuberculosis treatment facility now stands at the center of a public park.

Once home to more than 50 displays of freshwater fish.

Six miles off the coast of Key West, a former military transport ship is now one of the largest artificial reefs in the world.

Colorful sedimentary rock layers provide opportunities both for hiking and photography.

Only a few remaining items alert intrepid explorers that a town once stood in this region.