The longest and tallest aqueduct in Britain can actually be sailed across.

This ancient abbey now lies in majestic ruin behind a caravan park.

These precariously placed ruins harken back to a 13th-century castle.

One of England’s oldest and most haunted inns may have inspired the legend of Sweeney Todd.

A sliver of nostalgia in Seattle's Viretta Park.

One of the best views of the city is tucked away at the top of a water tower.

This painted blacktop brings the classic arcade game to life.

A large AIDS Memorial Pathway art installation provides a moment for quiet contemplation in this public park.

This unique Seattle structure was designed to be the greenest commercial building on the planet.

Iceland's tribute to its thankless civil servants.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

An encyclopedic collection of mammal penises.

These unique and ever-changing caves are a wonder of Iceland.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Legend has it these two stones are petrified trolls.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

Cairns built to bring travelers good luck stretch across the land like miniature stone mountains.

A tiny village church in dramatic surroundings.

Three columns of volcanic rock shoot out of the ocean.

Once built to inspire young Soviet minds through astronomy, this dome now stands as a quiet relic of a vanished era.

Traces of General Patton’s Mojave Desert training camps for the North Africa campaign.

A bizarre example of collective behavior resulted in thousands of shoe prints in Vegas parking lots.

A walk through the historic city center, under the streets of Seattle.

A historic Masonic building overlooking the Puget Sound.