This garage is frozen in the late 1990s, full of rare and untouched cars and motorcycles.

Despite the name, these small saltwater swimming pools have nothing to do with the Romans.

After 400 years of being closed to the public, this monastery's underground tunnels and secret garden are now a museum.

The medieval home is still engraved with the symbol of the profession, an eye flanked by two axes.

At more than 5,000 years old, these structures are among the oldest free-standing stone buildings in the world.

This almost-forgotten underground dungeon housed several convicts over the years, including Caravaggio.

These temples are among the oldest free-standing stone buildings in the world.

This unique building in the main square stands out among the city's typically Baroque architecture.

The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

The remains of a 1st-century aristocratic Roman town house featuring beautiful well-preserved mosaics.

These lesser-known Maltese catacombs date back over 1,700 years.

This prison on the Maltese island of Gozo is almost 500 years old, and they have the graffiti to prove it.

This subterranean necropolis holds three floors of antler-dug grave caves.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

This Stone Age solar temple aligns with the sun on each equinox and solstice.

Healing waters from a holy well, previously used by locals for doing laundry.

Statues of a fire-breather, a clown, and a whole performing troupe celebrate Luxembourg's creative side.

This small chapel built into rock is the oldest place of worship in Luxembourg.

A 12th-century castle featuring a sensory path where partially-sighted visitors can experience regional history through touch and sound.

For a few short weeks in spring, this hiking path becomes a daffodil paradise.

Some believe that the artist behind this whimsical statue inserted his own likeness as a way to discreetly flip the bird.

In the heart of Luxembourg's "little Switzerland" weaves a breathtaking natural sandstone canyon with a mythological past.

Two standing giants remain as a tribute to Luxembourg's metallurgical past.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.