This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

This monumental mural crafted nearly 40 years ago is still in perfect condition.

Tables of secondhand books fill the inner courtyard of this 17th-century stock exchange.

This statue honors the thousands of Allied avians that served and died for France during World War I.

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

This 1920s Dutch barge is now a floating bookstore.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

This aircraft museum is home to one of just three Halifax bombers in the world.

At the height of alum production at this factory, human urine was a valued commodity.

The recreated ruins of a house designed to memorialize a World War I shelling on the town.

Britain's tallest megalith towers over the cemetery of a quiet English village.

These planks were originally installed to hold the dead.

The remains of the concrete ship can be seen during low tide.

This unique museum is housed in a rare example of an early 19th century prefabricated cottage.

Housing a morgue, rare and confiscated weapons, and autopsy remains, the Vancouver police museum displays the dark side of Canada.

Vancouver's only resting place for the city's deceased.

This conservatory allows a little bit of the tropics to thrive in the middle of a major Canadian city.

This Elizabethan hedge maze is one of only six in North America.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

The chaotic studio of one of the 20th century's most important artists has been preserved down to the dust.

This man-made mound monument was built out of soil from all across the Polish empire.

A memorial to the beloved brown bear that served in the Polish army during World War II.