The most visited, and possibly most controversial, museum in Germany.

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

Dedicated to the works of the legendary special effects artist.

Be(w)ar(e) the moat around this historic Czech castle.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

World War II bunker still standing on the New Jersey beach.

The tiny airport in remote Newfoundland that inspired a hit musical is also a modernist architectural gem.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Art Nouveau painter Alphonse Mucha spent 18 years creating these monumental paintings of Slavic history and mythology.

This small-town pizzeria won the Hollywood lottery.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

A much-loved sculpture depicting the hero of a 1956 anti-Soviet uprising.

Tucked away in the forests of North Florida resides a 19th-century lighthouse.

The world's smallest drawbridge.

This phone booth-sized municipal building has been a piece of police property for more than half a century.

A glimpse at Walt Disney's vision for a "community of tomorrow," in miniature.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

A toxic ghost town sitting atop a massive coal fire.

An underwater statue of Christ blesses the depths off Key Largo.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.