The oldest housing complex in Riga is a mini timeline of architectural trends.

3,000 market stands in five former Zeppelin hangars.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

A Reformation-era fiery figurehead once denoted this location as a print shop.

An incredibly well-preserved piece of ninth-century Viking poop.

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

This network of narrow, medieval passages has the most delightful name.

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

The charming collection illustrates life in Lincolnshire in the 18th through 20th centuries.

The name of this suspended sculpture is Latin for "high horse," which is exactly what it is.

This sculpture of Edward of Woodstock is surrounded by eight Victorian lamp bearers.

A Nile crocodile, a historic symbol of apothecaries, is among the fascinating collection.

A replica of the gaslit streetlamp under which three teenagers founded a football club.

A place of remembrance for the Prime Minister that met a violent end.

The medieval woodcut-style artwork chronicles life in medieval London.

London's only public statue of the much-married monarch adorns the gate to St Bartholomew’s Hospital.

Legend says these colorful, invasive residents are the descendants of birds released by Jimi Hendrix.

A gallery specifically dedicated to the botanical illustrations of a remarkable traveling lady.

These ornate arches show how the course of the River Thames has changed.

A museum wholly devoted to juvenescence.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

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

Scattered throughout London are ancient remnants of the city's former bounding wall.