These concrete domes were installed on an Icelandic bluff to honor a very specific musical tradion.

Three million year old fossils are exposed for all to see on this Icelandic shore.

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

This replica Viking village was created for a film that was never shot and is now open to visitors.

One of the most remarkable caves in all of Iceland was created by a once raging river of lava.

Thousands of flamingos and other bird species flourish in these Camargue wetlands.

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

A walk through the historic city center, under the streets of Seattle.

Elevated freight railway turned wildly successful urban park.

A museum dedicated to the history and exploration of both popular music and science fiction.

A giant Troll lurks under one of Seattle's oldest bridges.

Macabre astrological automaton clock dating to the late 1400s.

A 16th-century horror show built in a lovely Italian garden.

An eerie, derelict amusement park in Berlin.

A massive underwater sinkhole made famous by Jacques Cousteau.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

Most-visited and most-photographed slot canyon in the American Southwest.

On the Oregon coast there is a natural hole that seems to be draining the sea.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

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