A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

After public executions took place at this location, attendants would also attend a local horse race.

Though it was originally dedicated to the Hindu god Shiva, Baphuon was converted to a Buddhist temple in the 15th century, complete with a massive hidden statue.

Hundreds of years ago, this lion-shaped door knocker could help a person accused of a crime find temporary safe haven in Durham Cathedral.

A monument with a strange legend involving a horse's tongue.

One of London's oldest houses contains a mixture of both old and modern features.

It took more than 300 years to build this church, which is home to two sacred vessels believed to hold the blood of Christ.

This historic textile mill has been repurposed as a shopping outlet, which houses a textile museum that celebrates its industrial past.

This church is named for one of the most dramatic tales in the early Christian church.

Created as a "model concentration camp" to hide Nazi atrocities from the international community, this former camp-ghetto now holds a museum and memorial honoring the lives lost within.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

More than 25 fully functional scale replicas of famous lighthouses dot the shores of Lake Havasu.

A powerful statue sits on Scalestone Point, looking out over Morecambe Bay.

A medieval tower with a suspended iron cage used as an open-air jail for criminals who were exposed as a warning.

Semaphore saints, a golden dragon's head, and a stone carved with religious warnings all call this cathedral home.

An island on the Venetian Lagoon hosts this stone chair that has nothing to do with the King of the Huns.

This historic streetcar system has been running since the 19th-century.

Red, white, and blue painted steps along with a Union Jack celebrate the outcome of Gibraltar's 1967 referendum.

Taking the subway here means doing so over a bridge located in the middle of an estuary.

A medieval quay that was the Mayflower's final port of call before sailing for America.

An ornate and disused early 20th-century building has been given new life as a fully operational structure, complete with offices, oyster bar, and a furniture retailer.

These Victorian era devil sculptures were designed to spite a local vicar.