Thousands of flowers create enchanting pink tunnels over the city streets.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Manchester salvaged this sculpture of the adopted Mancunian when it was no longer wanted in Ukraine.

Italy's third-largest Roman arena gives a peek into the underground operations beneath the ancient spectacles.

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

This sublime architectural marvel is a rare example of an expressionist church.

The Sighignola summit on the Swiss border offers views so breathtaking it's been named one of the most beautiful places in Italy.

Some say this medieval church is where the poet Dante married his wife and also met the love of his life.

Scores of wax baby figurines add an unusual mood to this beautiful church on the Greek coast.

Reaching the "Church in the Sky" requires scaling the cliff face of a sandstone pinnacle with a 650-foot drop.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

The painter of "The Scream" is laid to rest under a stoic bust of himself in the humble corner of an Oslo cemetery.

Although it appears ancient and mysterious, the quirky folly was actually built 200 years ago by an eccentric estate owner.

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.

A hunk of prehistoric lava rests amid the Gothic architecture of a campus quad.

A mysterious bridge over a sunken Roman road.

A giant doughnut was given to the small New Zealand town of Springfield to promote "The Simpsons Movie."

This 19th-century fountain's namesake animal isn't what you think it is.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

A copy of the brutal decapitation device that predated the French Guillotine by about 200 years.

The Grand Lodge of Ireland is one of the oldest in the world, full of fantastical, elaborately themed rooms.

This tallest folly in the world began its life as an elaborate factory chimney.

This vast, water-filled underground labyrinth can only be toured by boat.