Giant animal sculptures are created with the rice straw leftover from the fall harvest each year.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

The glowing blue Nymphaeum of Emperor Tiberius.

A battle between nature and architecture in the Cambodian jungle.

An island in the middle of a lake, in the middle of a volcano, in the middle of a bigger lake, in the middle of a bigger island, in an archipelago, in the Pacific Ocean.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

This red lake 4,000 meters above sea level is home to rare flamingos.

Once on display alongside a giant Gumby, it’s as tall as a nine-story building when fully extended.

The home of pigs, snakes, chameleons, and the alleged largest bunny in the United States.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

An island made out of shells, including a cemetery.

This deceptively salty lake looks like blushing pink lemonade.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

The rocks in this arid basin leave trails of movement behind them.

Three prestigious academic collections come together to create a world-class natural history museum.

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

An enormous, inside-out glass globe built in 1935.

Friction between grains of sand cause a curious "singing" sound.