This building contains handprints that are well over a century old.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

This museum dedicated to an oft-overlooked support industry features a surprisingly moving brass diorama of a man being saved from a sinking car.

The pan man stands as a testament to the functionality of American cast iron cookware.

A glimpse into the sacrifices of military members during World War II.

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

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

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

Northern Ireland's church-turned-skate park.

The highest peak in Northern Ireland is topped with a stone tower and haunting burial mounds.

The only museum and archive west of the Mississippi that is dedicated to the study of Abraham Lincoln.

An Irish town has built a statue to a silent film actor simply thanks to the holidays he once spent there.

These unusual houses look like giant boats that washed ashore on a residential street.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

A cooled lava flow from the Haleakalā volcano formed these surreal-looking columnar basalt structures.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

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

Known for the tunnel that leads visitors to the water.

Running since 1864, this clock has yet to be wound, one of the longest-running science experiments known.

One of the world's steepest streets seems to have houses sliding down it.

One of New Zealand’s few castles boasts beautiful gardens, grand architecture, and a history filled with family drama.

This strange geological landscape erupts with sudden bursts of water.

This aluminum “stairway to heaven” has impaled at least a couple of birds.

An unusual and powerful memorial in which earthquake victims are remembered by empty white chairs.