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

The bones of two medieval royal lions were discovered at the historic fortress.

The palatial McDonald's that inspired Wesley Willis.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

The southernmost outpost of the Russian Empire in colonial America.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

A living memorial to the trees London lost during the Great Storm of 1987.

A replica of the first public theater built in California.

I Street Bridge is the heaviest swinging center bridge in the United States.

This 19th century train workshop is a treasure trove of railroad history.

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

Rows of stone statues are dressed up to mourn children that are lost before birth.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

These ornate arches show how the course of the River Thames has changed.

Hidden on two floors of downtown building, the library has an incredible deal on rent.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

This macabre painting of a Shakespearean scene looks like something out of a nightmare.