Jesus' footprints and the first catacombs in the world.

This ultra-modern burial building would have stacked the dead like a giant filing cabinet.

Italy's curious field of mud volcanoes is named for being both gross AND salty.

The Brutalist building harbors an unusual inverted dome that swoops down over its central sacred room.

Thousands of miniature bronze sculptures have taken over this city square creating a unique art installation.

In downtown Oslo, a menacing and terrifying relief clings to a church wall.

The world's largest moose statue towers above the highway between Oslo and Trondheim.

A reconstructed farm shows what life was like in Norway 1,500 years ago.

An impressive museum dedicated to the resource that made the Scandinavian country rich.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

The world's largest underwater restaurant is submerged off the southern tip of Norway.

The last fully functional fortress of Germany's World War II Atlantikwall.

Mysterious man-made rock piles form an ancient cemetery on this rocky beach in Norway.

What might look like a cliffside sacrificial altar at first glance is actually a stone compass pointing to cities and lighthouses all around the world.

Art becomes an enchanting part of the environment at this wooded sculpture park.

Norway's national monument to fallen seamen.

This floating sculpture of ice is a poignant reminder of nature's power.

A secluded art gallery hidden within the cellars beneath Tallinn’s medieval monastery.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

Crawling into this primordial cave may feel disconcertingly familiar.

Collection of nearly 500 concrete figures sculpted by the late Veijo Rönkkönen.

These Finnish rapids have been attracting tourists for over a hundred years and are now released with the push of a button.

Legend has this precariously placed rock was placed by giants. Science has another explanation.

These 5,000-year-old cave paintings provide a glimpse into prehistoric Finnish life.