These steeply terraced ruins are a stop along the Inca Trail to Machu Picchu.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

Spain's largest bullring offers a unique glimpse at architecture and history.

The final resting place of the great navigator, or maybe his brother.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

A sublime medieval path adorns the marble floor of one of the most beautiful Gothic cathedrals in France.

The encased skull that is widely believed to belong to St. John the Baptist.

Victoria's largest salt lake is a favorite haunt for photographers and stargazers.

One of the world's largest tractors was built to replace camel caravans.

The decommissioned submarine is now the symbol of a small, inland Australian town.

Visible from both land and sea.

Countless expeditions have left Tasmania to explore Antarctica, but this island state has an even deeper connection with the sea.

Designed by artist Pro Hart, built elsewhere in 1980.

These giant grain silo portraits capture elements of rural life in Australia.

One of the few places in the world home to living stromatolites.

The holes in the world's longest golf course are in a series of different towns.

This tiny uninhabited islet off the coast of Norfolk Island was formed by blowing sand from nearby dunes.

Not the result of an accident, hurricane, or aliens, this is an eye-popping tribute to the Melbourne tram.

Australia's first open air museum and antique 3D theater.

Everything about this over-size novelty animal is huge including its testicles.