This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

The final resting place of soldiers' loyal canine companions.

The most loyal of little dogs, or a Victorian era publicity stunt?

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

One of Ireland's most infamous prisons for rebels including men, women and children.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The modern birthplace of Irish freedom.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

Northern Ireland's Brobdingnagian stepping stones.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

This whimsical seashell-shaped place of worship was designed to blend into its surroundings.

The library of every book lover's dreams.

Pluto is still considered a planet in Ithaca, New York.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

A controversial memorial at the place where Captain Cook met his violent end.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

Leave a button on the jacket of this iconic Seattle clown.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

A nondescript Seattle restaurant inherited a piece of European history.

What's that on the side of that building? Va Va Voom, it's Bettie!

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

This former coal gasification plant found a curious second life as a popular public park.