The southernmost outpost of the Russian Empire in colonial America.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

This spectacular track has run continuously since 1882.

Woven tree art gives this towering Australian woodland a touch of mystical whimsy.

Australian Lake set aglow by Noctiluca Scintillans.

Occult books, tarot, oddities.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

An Australian lake whose pink hue defies scientific explanation.

This exhibit is one of the largest and most well-preserved collections of Jurassic-era trackways in the United States.

Now a memorial to merchant sailors and Titanic victims, this medieval church was destroyed by bombing raids in 1940.

This romantic, decaying 13th-century ruin on the edge of Sherwood Forest is reputedly one of England's most haunted places.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

A open air theatre built on a cliff by an eccentric British woman.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

Created hundreds of years ago, the magical follies and landscapes at this park were almost lost to time before being restored.

The television series' iconic giant foot was borrowed from this classical painting.

A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.