From Ancient Rome to WWII, Neupfarrplatz has over 2,000 years of history underneath its main square.

Fantastic views and thousands of love locks.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

A colossal strolling Pinocchio that was greeted with more outrage than whimsy.

Sweden's oldest street has not changed for nearly a millennium.

Frequent fliers welcome in this airplane hotel.

It houses the remains of a 17th-century version of the Titanic.

Romania's triumphal arch looks out over Bucharest.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This once-derelict building is now one of the most beautiful bookstores in the world.

A subterranean house of worship carved right out of the bedrock.

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

A contemporary fresco movement illustrates the region's rich history.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

From a 1930s bathing beach to a 1970s dumping ground, this stretch of Buenos Aires is now its largest and wildest reserve.