An enormous park-like oasis, full of famous Chicagoans' graves.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

An overlooked oasis of quiet on the grounds of Washington's monumental basilica.

Go take a picture with the inventor of the daguerreotype photographic process.

This poor little statue is the most vandalized memorial in Washington.

A much-maligned monument to teetotalism.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

A nostalgic bibliographic gem.

A haunting tribute to pioneering photographer Clover Adams.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The California secessionist movement has its own foreign embassy, in Russia of all places.

Gargantuan home of Russian science.

The "Mystery and Company of Merchant Adventurers" is an Elizabethan-era hangout in Moscow.

Museum design and public transportation meet in this unique Russian train car.

Dozens of padlock-trees along the Moscow River.

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.

A sculpture park of the tossed aside relics of the USSR, from Stalin to a massive Soviet emblem.

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

Legends of time travel and magical woodland creatures bolster the natural charm of this verdant sanctuary in the midst of Moscow.