One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

This ordinary-looking rock may have played an important role in a 16th-century Scottish battle.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

A library where thousands of books explain how to avoid another Great Recession.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

A former telephone box found new life as a photo booth and charity fundraiser.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

This historic timepiece was a popular meeting place for romantic rendezvous in the 1960s.

A series of three shiny letters mark the boundary of an old refuge for those being pursued by debt collectors.

Scotland's first Masonic lodge may also be the oldest in the world.

This historic pub has maintained much of its 1906 decor, including a small sequestered room for women, where orders were slipped through a tiny window.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

The beloved bard's garb is proudly displayed within a Freemason's hall.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

This stately bank building hides a spectacular star-studded ceiling.

This 16th-century house tells the city's history through old artifacts and quirky tales.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

This 16th-century close preserves an unusual piece of Edinburgh's transportation history.

The colorful stairs are made with marble from the world's major quarries.

This extraordinary Viking artifact has traveled throughout the city.

This early version of the guillotine was used to execute the man responsible for its construction.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.