Rest stops along this pathway offer some of the best views of the Acropolis of Athens.

Giant aluminum tusks erected over the main thoroughfare to commemorate a visit by Queen Elizabeth II.

Drink and dine in a coral cave that's at least 120,000 years old.

Eat the ultimate iteration of Portugal's most beloved pastry.

The most elaborate of 12 medieval arched doorways to the old city of Burgos.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

A natural wonder in south Denmark.

Sweden's largest remaining gantry crane is a relic of Gothenburg's industrial past.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

You can spot this teeny tiny stained-glass window from the Bonifacius bridge.

These exceptionally narrow openings between giant rocks will test your daring.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

Piran’s oldest square is laden with history and a beautiful 18th-century reservoir.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Breathtaking and huge 430 year old maps of Italy.

A breathtakingly steep set of stairs is carved directly into the face of the sea cliffs of Bonifacio.

An awesome blend of traditional architecture and street art.

These small, triangular, colorful houses are a staple of Madeira Island.

A lush oasis full of vibrant plants and striking geometric displays.

This glass skywalk offers vertiginous views down the volcanic cliffs to the beach below.

Portugal’s highest lighthouse has one of the most impressive focal planes in the world.