A surprising collection of bronze faces beneath a bridge in Loveland.

Tucked away between two 19th-century buildings, this small shop specializes in the macabre.

European castle ruins in an American state park are actually the product of death and grief.

This majestic tree has survived 400 years of storms, droughts, and floods, and is a beloved natural landmark in Missouri.

An extraordinary collection of scientific instruments - and Einstein's chalkboard - inside the world's oldest purpose built museum building.

The medieval legend behind this holy well was one of the inspirations behind "Alice's Adventures in Wonderland."

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

The lantern carried by the infamous Guy Fawkes when he was arrested while attempting to blow the houses of Parliament and the King of England to smithereens

A hidden plaque is the only reminder of the lost palace where two storied English kings were born.

The beautiful non-repeating pattern honors the Oxford professor who discovered it.

One of Oxford's greatest treasures likely belonged to the legendary King Alfred the Great.

This hidden 13th-century tavern room has a few Shakespearean connections.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.

This 11th century tower is said to be the oldest building in Oxford.

The weathered grave of a medieval anchoress who walled herself up in a cell attached to a church.

A 26-foot shark sculpture—a statement about bombs—set off a municipal battle royale.

Oxford University's stateliest library seems designed to make students truly feel the weight of knowledge.

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

An abandoned tank sits in an empty London lot as a symbolic middle finger to local city planners.

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

Tucked away behind the mansions of Mayfair, this picturesque garden is a hidden London treasure with a spooky past.

This haunting sculpture was created as a statement on the mechanized warfare of the First World War.

According to legend, this tomb holds the secrets to time travel.

Tucked inside a South Bank bar is an epic expressionist chronicle of the 20th century.