Elevated freight railway turned wildly successful urban park.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

The most famous location in China was home to whole dynasties worth of imperial rulers.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

These beautiful wineries were at the center of Lake Erie's "grape belt" back when the Midwest dominated American wine production.

This historic hotel invented the chocolate brownie.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

The clever workshop that has been designing some of the most unusual coffins imaginable.

The world’s largest digital waste dump has become a site where organized criminals hack into confidential government data.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

Sacred Buddhist home of some spiritual monkeys.

The highest monastery in the world operates a tiny guesthouse with doors open to all.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

A striking symbol of the Bulgarian capital.

This historic black and white monastery is one of Bulgaria's architectural jewels.

Ottoman-era houses lovingly preserved.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

Pivotal home of Nobel Prize winner Pablo Neruda.

A museum founded to reflect on and remember the human rights abuses under Chilean dictator Augusto Pinochet.

Wading through a small lagoon reveals a secret, wild stretch of pristine beach.

Neo-cave art on the macro scale.

His music once banned in Communist Cuba, John Lennon is now immortalized in bronze by Castro, who considers Lennon a "fellow dreamer."

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.