A real-life "hobbit" cave in Flores, Indonesia.

Once home to Komodo dragons, this island dreamscape has a rare combination of white, pink, and black sand beaches.

A sprawling nature preserve harbors the world's only living dragons.

The sand is such a bright white that on sunny days you practically need sunglasses to look at the ground.

The only pollutant in the clear blue water is sunscreen.

High winds can make this one scary landing.

The ruins of New Zealand's largest classical-style church.

An unusual and powerful memorial in which earthquake victims are remembered by empty white chairs.

New Zealand's only running funicular railway.

This unusual rock formation looks like an apple that has been neatly sliced in half.

One of New Zealand’s few castles boasts beautiful gardens, grand architecture, and a history filled with family drama.

This rare wildlife haven in Singapore feels like you're in the tropical rainforest.

Three rooms of bones, curios, and one artist's collection of natural artifacts create this intriguing museum.

The most remote tree in the world is more than 170 miles from its nearest neighbor.

This ancient theater was once the home of fierce gladiatorial battles.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

An underground city of ancient quarry tunnels hid thousands of Allied soldiers in WWI.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

The encased skull that is widely believed to belong to St. John the Baptist.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Historic medieval fortified city in southwest France.

The celebrated eyesore created by starry-eyed sweethearts.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A historic observatory precariously perched at the "Top of Europe."