A striking glass tribute to two sisters who suffered during Scotland's "Killing Time."

A "sinister, whimsical, tacky, and really orange" public art installation hidden under a Seattle bridge.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

A museum dedicated to the history and exploration of both popular music and science fiction.

A walk through the historic city center, under the streets of Seattle.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The largest permanent Monopoly board makes one of the longest games even bigger.

This single-track road rewards brave drivers with stunning Scottish scenery.

A tiny replica of the iconic London landmark hides on the side of the steel structure.

An early 20th-century bullring converted into a modern shopping center.

This colorful statue welcomes visitors to a Barcelona park.

The famous polar explorer stands outside the Royal Geographical Society's headquarters.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

In the depths of Glasgow Cathedral's crypt, one pillar stands out from all others.

The video game-themed street art first popped up in the French city.

Romans decided this 16th-century "talking statue" was so ugly, they named it after a primate.

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

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

A series of playful yellow penguins share a serious message about the environment.

A controversial artwork draws attention to the dark history of Prague's "Suicide Bridge."