One of the oldest seagoing boats in the world can be found at the Dover Museum.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

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

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

One of Ireland's most infamous prisons for rebels including men, women and children.

Follow the original medieval paths that wind through this intriguing section of the city.

The menacing creature had a tremendous influence on the local culture before being exposed as a hoax.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

A lovely hidden waterfall right off the highway is well worth a stop.

This cave holds a surprisingly colorful variety of geological oddities.

This striking art museum holds an amazing series of curiosity cabinets.

Literally a million fascinating cartographic artifacts are held in this sprawling university collection.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

A large circus museum with summer performances.

A theme park attraction designed to turn your children into LARPers.