Stunning Roman aqueduct used for 1900 years and still standing.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

The facade of this 16th-century building is decorated with carvings of 300 seashells.

This small chapel is built of human bones and decorated with a golden skeleton.

This unassuming chapel in Portugal plays host to a ghoulish collection of bones.

Perhaps the most spectacular grotto along the Algarve coastline.

This little-known national museum houses over 40,000 works of art from across the world.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

A fortress off the West coast of Portugal that dates back to 1502.

A replica of the Roman emperor in glorious full color.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

This one has sailed five times as far as Sir Francis Drake's famous ship.

Ship-sized kinetic sculptural fantasy.

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.

Also known as Rye Castle, this 13th-century fortification later became a prison and held one of Rye's most famous criminals.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

During the heyday of fishing in Hastings, there were more than 100 of these storage facilities.

The forest that inspired Winnie-the-Pooh's Hundred Acre Wood can be found outside London.

Gothic tower where Lord Alfred Tennyson wrote the poem "The Sleeping Beauty."

This open-air heritage museum illuminates centuries of historic English life from a West Sussex village.