High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

The first statue of Christ sleeping on a bench in the United States confused its affluent parish.

Formerly the most gerrymandered district in the U.S., it twisted and turned along racial borders.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

Mai Tais and Navy Grog served up in one of the original tiki bars.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

Europe's largest prehistoric mound – burial site of a legendary king?

The granddaddy of English geoglyphs dates back to the late Bronze Age.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

An exquisite panometer representing Dresden as it was from 1695 to 1760.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

Haunting and beautiful trees, doomed to die.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

The sweet story of how American cargo planes became known as "Candy Bombers" during the Berlin Blockade.

A German apartment building hosting as many trees as human occupants.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

This historic train station has been converted to a locomotive themed hotel.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

Interactive modern and vintage submarine equipment, World War II relics, and submarine attire.