This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This center tells the story of one of the most famous battles in Irish history.

This Neolithic passage tomb forms part of a World Heritage Site.

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

The burial place of 14 of the executed leaders of the Easter Rising.

A gated cross stands on the site where an Irish revolutionary met his end.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

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

Originally built to monitor fishing, this Victorian tower now educates visitors about the local salmon industry.

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

This Copper beech tree nestled on a nature reserve is host to a bevy of autographs from Irish literary icons.

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

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

This colorful and fiery mural depicts the Irish folk story of the beloved hero Cuchulain.

This neon landmark has been posing this deadpan question to follicly-challenged Dubliners for over 50 years.

The chaotic studio of one of the 20th century's most important artists has been preserved down to the dust.

A strange egg in a mucky bog of western Ireland marks the spot of an aviation milestone.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

The severed head of a 17th-century Irish martyr lies within an intricate golden shrine.

This pub built its reputation pouring post-shift pints for employees of the cemetery with which it shares a wall.

A particularly disconcerting tribute to Irish martyrs.