Soaring over the Niagara Whirlpool since 1916.

This "Jewish Sistine Chapel" was designed to reinvigorate Judaism's artistic legacy but was almost lost to misguided restoration.

Neighborhood in Jerusalem is home to the ultra-orthodox haredim.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Shop selling 500 flavors of soda has something for everyone.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

A 18th century graveyard and its astonishing cortege of macabre iconography.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

360° views of the city plus five floors of optical illusions and hands-on science.

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

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

An unassuming tribute to engineer William Bald and the workers who built one of Europe's most scenic coastal roads.

It is said a heartbroken man visited the gap every day to stare blankly out at the sea.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

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

A palatial former bank building now houses what may be the poshest art venue (and former Tesco) in Belfast.

Robotic car thieves, freakish animals and huge neon floats in Northern Ireland's capital.

A brisk climb up this solitary peak leads to the origin story of a towering figure in Irish history.

Northern Ireland's Brobdingnagian stepping stones.

The atmospheric road was never meant to be so creepy.

It was once nicknamed "the most bombed hotel in Europe."

Belfast's namesake river still winds below the city center, hidden from sight.