St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

An underground city of salt.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

A priest with no formal artistic training used basic house paint to create gorgeous religious scenes inside this historic church.

This Hawaiian cattle ranch acts as a museum devoted to the island cowboys that predate the wild west.

A model of a galactic embassy is hidden in plain sight along the highway, proposed by a UFO religion to find the aliens that created life on Earth.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

This legendary urban waterfall creates a dazzling display of rainbows.

This former luxury resort in Kaua'i is now an abandoned relic.

A true treehouse near Hawai'i Volcanoes National Park.

These ancient sacred grounds granted amnesty to those who managed to reach them.

Watch the newest land on the planet form before your eyes.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

A hot dog stand where the heads are just as hot as the dogs.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

A lush green oasis in the middle of Chicago.

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

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

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