The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

According to a local legend, this old castle could only be built after a woman was immured in the walls.

In this town's main square resides a statue of none other than the 43rd President of the United States.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

Shimmering sea-colored mosaics and Jesus statues cover this opulent building.

A breathtaking viewing platform over the Alps.

The largest ice cave in the world is thought to be the entrance to hell according to Austrian legend.

Once overlooking the town, this church now resides on a permanent tilt.

A massive 1830s industrial site once known as Czechia's "Iron Heart" has been transformed into a playground of science, technology, and art.

600 stumps, branches, and trunks of different shapes and sizes.

One of the world's tallest flagpoles.

The Seven Story Pagoda of Sibu.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

This surprising museum tells the story of modern Malaysia through the history of its law enforcement.

This French colonial post office is arguably the grandest in all of Southeast Asia.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

An abandoned Cambodian resort that mirrored the downfall of the country as it was happening.

A palace destined to never house a king.

A former French military respite turned jungle tourism hotspot.

Bombed and burned, this monument represents the often controversial ties between Vietnam and Cambodia.

The capital of Cambodia is named after the hill on which this ancient temple complex stands.

Khmer Rouge's high security prison.

A small 12th-century temple surrounded by waters believed to have curative properties.