Places Dr Do Wants to Go

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

A museum marks and documents the site of the Titanic's launch.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

Northern Ireland's Brobdingnagian stepping stones.

This erect, phallic geological spire wasn't always named so domestically.

An experimental, automotive replica of Stonehenge.

These two giant boulders mysteriously perched on a 60-foot cliff may have been slung up there by a raging tsunami.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

An intricately carved Viking church overlooks a glistening fjord.

Thousands of years of crashing waves gave this mushroom-shaped rock its svelte figure.

A stoic sculpture that overlooks the waters.

A naturally occurring tunnel in this Nordic mountain makes it look like it's been shot.

A Viking-style brewpub named for a Norse sea giant, in the heart of fjord country.

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

A unique sculpture designed to outline humanity's reliance on oil.

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

Concentrated around the Dead Sea, these surprising canyons are filled with coursing water, fish, and even crabs.

The world's largest floating loon bobs in the lake to kick off an annual festival.

This peak in Chapada Diamantina National Park offers the most stunning sunsets.

The largest earthwork effigy in the world.

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

The home where a lovestruck Fitzgerald wrote his first published novel, "This Side of Paradise."

This weird, elephant-shaped rock also hosts two ancient tombs.