A spiritual vortex among the red rocks in Sedona.

This 24-acre park offers a place for meditation in the midst of Sedona's iconic red rocks.

This 1st-century CE Roman bath sits under a carpark.

An unusual resting place built into the hill with an amazing view of Lake Como.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

This medieval castle was reconstructed by Carlo Scarpa.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

Drink wine handed out through a window as part of an age-old tradition.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

Memorials at a Florence railway station remember the citizens who were deported from Italy and sent to extermination camps.

One of the world's oldest working clocks is curiously missing the Zodiac sign of Libra.

The tomb of the mythological founder of Padua is not hidden in some obscure crypt, but stands right in the middle of the city square.

Something's missing between the arcades of the Palazzo della Ragione in "the city of the three withouts."

One of the largest squares in Europe contains an entire artificial island.

The Adriatic's most famous wind can be reliably experienced in the city's Marina.

One of the tallest lighthouses in the world also serves as a monument to the fallen of World War I.

This historic floating crane became an unlikely symbol of the port of Trieste.

The remains of the last Gonzaga villa, a luxurious palace built in spite of an economic crisis.

The seat of the Mantua bishop holds many secrets within its walls.

A medieval tower with a suspended iron cage used as an open-air jail for criminals who were exposed as a warning.

This decoration above a door, an unofficial family crest, is said to come alive during the night to try to get free of the stone.

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.