Legend says this sacred tree was a gift from goddess Athena.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

The shop where the girl who inspired the beloved character once bought sweets is now a book-themed commercial curiosity.

Once one of the largest rooms full of books in the world, this bookstore basement is still a treat for bibliophiles.

One of Europe's oldest libraries.

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

Used as an example in one of the first dictionary entries for "museum" in 1706.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

At the center of London’s oldest roundabout stands an obelisk that was erected in 1771, but spent several decades elsewhere.

King of the Saxons on top, Roman goddess of wisdom on the bottom.

The oldest surviving “eel, pie, and mash” shop in London is renowned for its infamous jellied eels.

This statue honors the author's groundbreaking family story.

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.

This propitious plastic porcine has been petitioning park visitors to pick up after themselves for more than 50 years.

Proto-CIA agents trained with grenades in the sand traps and fired machine guns from the fairways.