Places Melanicholia Wants to Go

At nearly 1,000 feet long, this astonishing glass suspension bridge is one of the longest in the world.

The latest in a series of long glass bridges suspended at terrifying heights.

This terrifying glass bridge on the side of a mountain cracks as you step on it.

A backdoor to Machu Picchu that only the most foolhardy infiltrator would attempt to breach.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

A remarkable time capsule of American manufacturing deep in Maryland coal country.

This small museum contains fossils from an era when Kansas was underwater.

These otherworldly limestone formations jut out from the Kansas prairie.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

These unusual stone structures are actually fish traps crafted by an ancient civilization.

A turquoise lake within a volcanic crater.

Massive volcano in the Andes is the farthest point from earth's center.

This small uninhabited island offers Galapagos-like biodiversity.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

Flames have been burning within this mountain for more than 2,500 years.

Roman ruins, natural methane fires and a lovely beach.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

This secret coastal village is studded with pastel-colored houses all piled on top of one another.

Lost subway station nestled beneath Toronto's busy commuter line.

This is the largest cemetery in Ireland and the first cemetery museum in the world.

An enigmatic monument to the Irish revolutionary who plotted an uprising against British rule.

A mysterious plaque to the even more mysterious "Fr. Pat Noise," killed in "suspicious circumstances."

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.