The stunning interior of this Gothic church is covered in ornate gold details.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

The colorful stairs are made with marble from the world's major quarries.

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

A familiar otherworldly creature guards this 12th-century Scottish abbey.

Large-scale contemporary artworks tower over fields and lurk in forests around a Jacobean manor house.

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

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

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

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

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Europe's largest dinosaur museum was founded by a passionate autodidact.

The largest underground lake in Europe.

Over 3km of caverns and caves at the Switzerland-France border contain the largest underground river in Central Europe.

Vines grow up the metal bars in this public park created from an old machine factory.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

The 14th-century ruins are said to contain healing powers.

A massive, abstract lookout tower providing a panoramic view of Prague.

The deepest sinkhole in Central Europe comes with a grisly tale and an unusual nickname: “The Stepmother Abyss.”