A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

Walk behind a 50-meter-high waterfall.

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

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

An artist's mausoleum with a haunting echo.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

An intricately carved Viking church overlooks a glistening fjord.

Walk 2,300 feet above the ground on the "Troll's Tongue."

This giant crucifix is like U2's Joshua Tree for Swedish death metal fans.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

The world's largest model of our planetary system.

The library's graceful rotunda is like a bibliophile's temple.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

Sweden's "good old days" painstakingly re-created in a model village.

A man has revenged his true love's betrayal through tears and stone genitalia.