Erotic art covers the walls of the largest ancient pleasure palace.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

The bones of two medieval royal lions were discovered at the historic fortress.

Eighty million natural history specimens call this gargantuan museum home.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

The oldest operating pharmacy in the world features 800-year-old recipes.

A traditional American farmhouse plopped in the middle of a Piccadilly courtyard.

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

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

A historic Montreal market that was the city's agricultural hub for over century.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The oldest continuously-operating tavern in Wisconsin used a clever loophole to serve alcohol during Prohibition.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

Internationally known record store and purveyor of "dusties."

This shop for all your super spy needs hides an educational secret.

The vast, legendary catacombs hold secrets much stranger than stacked bones.