The largest coin pyramid in the world is a carefully balanced stack of over 1,000,000 pieces.

A giant silver apple a day keeps the perils of capitalism away.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

Atop this former dutch railway office sits an interstellar work of art.

Home to the world's oldest functioning orrery.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

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

A museum-like shop that has been producing clogs, brushes, and ropes for nearly 200 years.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

The modern birthplace of Irish freedom.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

This iconic water tower and failed bandstand is open for panoramic views once a year.

Eight "Guardians of Health" protect this art deco water tower from pollutants and bacteria.

Latvia's symbolic mountain-shaped national library is home to millions of cultural tomes.

Flamboyant architecture from the turn of 20th century.

The church's remarkable frescoes incorporate Finnish artist Hugh Simberg's trademark themes of death and the supernatural.

An eerie former warehouse turned cistern turned movie set.

Enjoy fresh-baked bread and fish from a repurposed Portuguese fortress.

The "Little Ones," show Portugal in full miniature splendor.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

This seaside pine grove features an exclusive watchtower that presents amazing views.

This charming Latvian lane doubled as Baker Street on the Soviet Union’s version of Sherlock Holmes.

The reconstruction of this prominent building fulfilled a long-written command.