The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

A stunning silver lining to global warming's gloomy cloud.

A glacier pocked with ice caves and surrounded by rainforests.

Southern Ocean waters and glacial forces transform the Antarctic ice into these stunning bridges and caves.

An English explorer's vast natural history collection has the first realistic dioramas of animals staged in their natural habitats.

The best place to send your postcards home from Antarctica.

A chilly monument dedicated to the French explorer, Jean-Baptiste Charcot.

One of the world's southernmost bars.

This abandoned Antarctic research station is a Soviet ghost frozen in time.

This abandoned Antarctic base sits nearly unchanged since it was forsaken in the 1950s, just waiting for you to visit.

One of America's oldest Antarctic research bases is abandoned but still just waiting for visiting explorers.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

Russian Orthodox church built on an Antarctic island.

One of only two civilian settlements in the desolate lands of chilly Antarctica.

The birthplace of the very first human resident born in Antarctica.

A Cold War atomic camp buried under the ice is now emerging because of global warming.

These abandoned huts still hold the remains of an early 20th century Australian researcher's work.

An ice field known for harboring an infamous Martian meteorite turned out to contain the oldest air on Earth.

These passages carved from the Antarctic ice hold strange shrines to the harsh southernmost climes.

Australia's only active volcanoes and highest peak are located on these remote islands thousands of miles away from the mainland.

Antarctica's only sculpture garden, it has art and penguins, but no plants in sight.