Mysterious 500-year-old tapestries depict a unicorn hunt.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

This inn of the court provides a fascinating window into London’s legal and architectural history.

Preserved behind glass, the ruins of a medieval building used to store human remains.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

Children's hospital in London that operates on royalties received from Peter Pan, which J.M. Barrie signed over in 1929.

A measuring mishap led to these artificial stone ladies losing their stomachs.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

The Tudor-style cottage in the middle of the square is not quite what it seems.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

The majority of the museum's large collection is held in a storage space open to the public a few times a year.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

This luxury shopping lane has been protected by its own tiny police force for over a century.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

A historic house left in "dramatic still life."

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

A legend says that if this elaborately decorated glass breaks, the good fortune of its owner's household will also disappear.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

This small stone building, the final work of a renowned artist, offers a peaceful environment with radiant, colorful glass windows .

On the wall of this medieval walkway, a symbol of the Spanish Inquisition.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

This coffee shop lies hidden beneath a historic church.