A never-finished memorial to the heroes of the Napoleonic War has become "Scotland's Folly."

The ruins of a 12th-century Cistercian monastery can be found alongside World War II tank traps and pillboxes.

This peaceful oasis appears dreamy, but it's also the site of a nightmarish legend.

An ancient yew tree and holy well nestle beside a remarkable 13th-century church.

A ferry has operated across the River Hamble for around 500 years, but its distinctive bubblegum pink is a more recent addition.

This building was once the local office of White Star Line, the company that employed the crew on the Titanic when it sank.

Moscow's most popular cemetery includes the graves of numerous cosmonauts.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

Former headquarters of the KGB.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This boat represents the promise of undiscovered territory, a dream of hope, and progress and freedom for Iceland.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This former farm In northern Iceland is now a museum, where visitors can tour beautifully-preserved turf houses.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

The most powerful waterfall in all of Europe.

These enlarged egg sculptures represent the native birds of eastern Iceland.

A giant red chair bolted to a rock on a remote mossy hillside in Iceland.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

A tiny village church in dramatic surroundings.

Along this wire fence, travelers have been leaving a particular memento since 2012.

An artificial lake that opened in 1930 as a seaplane airport, now a park for aquatic activities.

If you ever wanted to touch a medieval mercenary’s three testicles, look no further.

A massive mausoleum towers over the gravestones in a 19th-century Italian "model village."