A man throwing a giant severed hand towers over Antwerp’s main square.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

Climb inside an iron crystal magnified 165 billion times its normal size.

Sail in for a ’dam good slice.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

Cat art as far as the eye can see.

A unique work of automotive art calls this shopping center home.

A beautifully eclectic mix of architectural styles.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Touching the iron railings of Tarragona's balcony to the Mediterranean is said to bring good luck.

This Roman arena once played host to bloody gladiatorial battles.

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

Stunning Roman aqueduct used for 1900 years and still standing.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

An abandoned quarry hides an open-air gallery of huge sculptures, some made from the rubble of 9/11.

Southern Italy's spinning top village.

Macabre symbols of death and mummies on display set the tone of this Italian purgatory church.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

A statue of the Soviet leader still stands in a quiet corner of Estonia’s most Russian city.