Historic medieval fortified city in southwest France.

This volcanically volatile island town is home to an abandoned series of tunnels left by the Japanese during WWII.

This Parisian gem is one of the most incredible ethnographic museums in the world.

This urban oasis is a marvelous meld of music and landscape architecture.

One of the largest underground systems runs under Canada's largest urban center.

This massive, ancient stone was disassembled and then put back together again.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

Lost subway station nestled beneath Toronto's busy commuter line.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

The controversial urban planner who designed Washington, D.C., was buried in Maryland, and can presently be found in Virginia.

This museum explores the grim reality of life in the earliest British colonies in America.

A former major munitions plant that has been converted into a sprawling art space.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

An original apothecary from 1792.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

Cheap art and political theater in Vermont.

This large cemetery is known as the museum of granite sculptures.