Somewhere there is a giant who can no longer poop, but now travelers can stay inside his anus.

This bike path traverses the treetops.

This bike path was sunk below water level for maximum wonder.

A Belgian self-built tower inspired by the Bible and ancient civilizations.

Medical history with an amazing, if frighting, collection of wax diseases on display.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Climb inside an iron crystal magnified 165 billion times its normal size.

Lavish royal estate punctuated with heated greenhouses.

Where the sleeping monsters of Scotland's oil industry are left to rust.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

A 200-year-old collection of oddities and medical paraphernalia.

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

The only fixed chain and post trail in Scotland snakes its way along the base of a towering seaside cliff.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

A scattered trail of street art adds a pop of color to the city's stark structures.

Largest lake in Great Britain measured by surface area.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

A book bound in the skin of an infamous criminal, along with countless other specimens.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.