One of Ireland's most infamous prisons for rebels including men, women and children.

Roman ruins top white travertine terraces formed by ancient hot springs.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Now containing the bones of the actual conquistador, instead of someone else.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

The Uros people live on floating reed islands in lake Titicaca.

White llama terraces dazzle in Peru's "other Machu Picchu."

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Memorial to the father of the Republic of China.

A white Buddhist temple with a golden restroom.

Hindu temple of the dead home to hundreds of long-tailed macaques.

Naturally protected city carved from a rock face.

Live a night as a Byzantine King, with a minibar and private jacuzzi.

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

An artist's cute bronze subway sculptures belie his violent artistic past.

Lie in a hammock where George Washington stood.

Elevated freight railway turned wildly successful urban park.

The most confusing clock in New York.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Make a tough dinner decision: Octopus wasabi roulette or bull penis?

The competition: breathe deeply as long as you can.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Order scoops of pandan, lychee, and black sesame at this family-run institution.