A half-size replica of the World Trade Center towers above Tulsa.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

The Guinness Book acknowledged one of the biggest and oldest collections of computer games, featuring a strange 'pain machine' that blurs the boundaries between the digital and the real world

An important message and optimistic splash of color in a troubled neighborhood.

Tiny memorials honor individual victims of the Holocaust.

A fascinating insight into daily life in the Eastern Bloc.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This cave resembles the Star Wars Jedi master.

These unique and ever-changing caves are a wonder of Iceland.

A tiny village church in dramatic surroundings.

This museum explores how a 1973 volcanic eruption forever changed this small Icelandic island.

This five-foot-tall bronze bird is a memorial to a species that was hunted out of existence.

A modern Nordic Pompeii on the Icelandic island of Heimaey.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

On an island south of Iceland, a large volcanic rock formation resembles an elephant.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

This stunning concert hall has become a symbol of Iceland's national recovery.

Three columns of volcanic rock shoot out of the ocean.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

This tiny museum's sizable collection is jammed into a former underground public toilet.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

Walk in the footsteps of the gods and straddle two tectonic plates.