The upstairs reading room is packed with millions of rare books, literary manuscripts, and historical treasures.

The towering figures were created from the cemetery's fallen old-growth trees.

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

This lonely bronze walrus celebrates a character in a Lewis Carroll poem.

Shimmering sea-colored mosaics and Jesus statues cover this opulent building.

This hidden labyrinth offers walkers some brief peace of mind.

For nearly a year, General Ulysses S. Grant was based here during the American Civil War.

One of the tallest statues in the world, and the tallest statue of a goddess in Japan.

A tribute to the beloved, kind-hearted "homeless mayor" of Silver Spring.

The only way to visit this old resort hotel is with scuba gear.

Part of a secret 1970s nuclear defense program is now open to the public.

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

The bronzed skull of a beheaded traitor was affixed to the city gate in the 17th century.

The mass grave of the 27 victims of the "Vampire of Hanover."

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

In this roadside "community for the small," abandoned toys gain new lives.

A sharp sculpture made of thousands of pieces of jagged glass.

This abandoned urban warfare facility is a dream come true for airsoft and paintball enthusiasts.

England's steepest street has such a drastic incline that locals tie their parked cars to lampposts when it gets icy.

When it opened during the final years of the embargo, all the drinks and cigars were free.

Under a church hides a forgotten 13th-century ossuary containing the remains of around 2,500 people.

This early Norman castle was the first historical monument protected by an act of Parliament.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

A giant repository of accidentally discovered cave paintings up to 30,000 years old.