Sacred Indian temple that’s all monkey business.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

The oldest Hindu temple complex in Nepal serves as the seat of Nepal’s national deity, Lord Pashupatinath.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

An old department store turned Nazi prison turned artist commune.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Cold war icon and onetime "hole" in the iron curtain.

One of downtown Berlin's last reminders of its Communist past.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

Art and a pun, all in one.

The most visited, and possibly most controversial, museum in Germany.

A signal indicates the entrance to this alley, rumored to be a meeting place for witches.

A chapel on a volcanic core, marking the end of a successful journey.

The grotto where Saint Ignatius of Loyola lived as a hermit for nearly a year.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

One of the largest ochre quarries in the world, hidden in a limestone landscape.

At the foot of a waterfall lies a peaceful swimming lagoon and evidence of over 60,000 years of human habitation.

Behind medieval walls in a corner of bustling Palermo is a breathtaking former mosque once inhabited by a wolf-taming hermit.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Long tunnels run under the ancient chariot racing circuit to the tower.

One of the largest caves in the world open to the public.

This one-time health resort was used by aristocrats around the world.

A miniature train-ride through Slovenia's largest cave system.