Along this wire fence, travelers have been leaving a particular memento since 2012.

A haunting collection of sunken wooden barges litters this Italian river bend.

This wild explosion of color on a disused water tower tells the whimsical tale of a curious puffin.

This beautifully historic Bahrain fortress might not be the most popular attraction around, but that might make it all the better.

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

This futuristic German television spire is actually the world's largest digital clock.

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

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

Twisted buildings adorn the banks of the Rhine river.

Colorful and chaotic stacked hotel in North Holland.

Ever-growing collection of devils in art.

This "floating railway" is one of the world's oldest monorail systems.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.