The first memorial dedicated solely to the Black troops who fought for the Union.

The former home of Lillian Evans Tibbs and her grandson, Thurlow Evans Tibbs Jr., whose prodigious contributions to music and art spanned more than 90 years.

This poor little statue is the most vandalized memorial in Washington.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

This sculpture, residing in a quiet corner of a London park, honors the victims of 9/11.

Tourists who rely on a transit map to find the iconic Beatles location often end up in a far-off neighborhood.

3,000 family pets and military animals are buried in this London graveyard.

Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

A statue of the original Pearly King is hidden in a church's crypt.

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

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

A naturally mummified 2,000-year-old man.

A gruesome and mysterious ancient sculpture of a pagan deity from the Roman occupation of Celtic Britain.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

This magnificently macabre shield shows the power of chivalrous love in medieval times.

The collection contains over 25,000 items and details the painful dental practices of the past.

This knockout museum lies in a sleepy corner of London.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

This concept building is the UK's first attempt at making a permanent structure of nothing but trash.

One fisherman has used his love of pebbles and shore to create a crazy garden of rocky art.

These shopping center benches are actually a modern art installation.

A private selection of curiosities, carefully curated by a young Brighton local.

The natural history museum displaying the British bird collections and dioramas of Edward Booth, free of charge.