It looks like a whale, it's part of Yale, and it's best-known by a nickname you can probably work out for yourself.

A masterpiece of modern architecture that caused quite a stir in Paris, recreated in Bologna half a century later.

This mansion oasis contains gardens, sculptures, and fountains just off the busy Plaça Kennedy in Sant Gervasi.

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

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

A tribute to all the green-thumbed workers who tend London’s public parks and gardens.

An ornate and disused early 20th-century building has been given new life as a fully operational structure, complete with offices, oyster bar, and a furniture retailer.

Above an abandoned Underground station, this charming bookstore is home to strange antiquities and literary works.

This small collection of rare books was uniquely locked up for safe keeping.

The townhouse where the English poet created some of his most influential work has been preserved in tribute.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

This medieval city gate is now a blend of the past and the modern world.

The lost Latin words were reconstructed using the holes from the nails that once pinned them in place.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

One of Antoni Gaudí's least-visited works, an homage to Catalan patrimony that mixes neo-Gothic with Modernista forms.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

A wonderfully curated used bookstore in an airport.

First planned industrial community in the United States.