A fortified city, home to a remaining population of five families

One of the most spectacular canyons in the world.

Mosaics, storks, and brothels—this ancient city has it all.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

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

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

This black sand beach was crafted from volcanic explosions including the historic Minoan eruption.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A massive volcanic plug is now a protected area that hosts a number of bird species.

The world's only complete colossal squid specimen is on display at the Te Papa Museum.

The 16-foot sculpture of a hand looks out from his perch on top of an art gallery.

High winds can make this one scary landing.

This strange geological landscape erupts with sudden bursts of water.

The Dalai Lama named this New Zealand landscape the "Spiritual Center of the Universe."

New Zealand's epic shrine to all things puzzling.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

This preserved village shows the modest lifestyles of the area's 19th-century Chinese gold miners.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

A perfect turquoise lake colored with glacier dust.

Enjoy coffee and cake while viewing antique medical equipment at this unique cafe.