Unusual adventures and hidden discoveries. Explore our 2018 trips now »
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Places visited in Porto, Portugal
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Cherry blossoms create enchanting flower tunnels.
Bonn, Germany

Bonn Cherry Blossoms

Thousands of flowers create enchanting pink tunnels over the city streets.
50.7392, 7.0961
The Antioch Chalice.
New York, New York

Antioch Chalice

Once thought to be the fabled Holy Grail, it is now known to be an oil lamp.
40.7792, -73.9629
The Maiden.
Edinburgh, Scotland

The Edinburgh Maiden

This early version of the guillotine was used to execute the man responsible for its construction.
55.9475, -3.1898
The small sculpture.
Cambridge, Massachusetts

Necco Wafer Sculpture

A tiny monument to the classic American candy.
42.3620, -71.1013
The four-ton Mintrop ball
Göttingen, Germany

Wiechert Earthquake Station

Home to the world’s oldest seismograph and a four-ton steel ball that makes its own earthquakes.
51.5446, 9.9635
The church's former interior, now a garden space.
Chicago, Illinois

Zion Evangelical Lutheran 'Ghost Church'

One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.
41.8570, -87.6480
The modern version of the fountain shoots water not wine.
Treviso, Italy

Fontana delle Tette

Centuries ago, red and white wine poured from the statue's breasts whenever a new Venetian ruler was elected.
45.6664, 12.2452
One of these columns hides a cross.
Córdoba, Spain

Cross of the Captive

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.
37.8789, -4.7794
The fantastic "gateway to heaven."
Abang, Indonesia

Pura Lempuyang Luhur

Bali's remote "gateway to heaven" is one of the most sacred places on the island.
-8.3915, 115.6313
Sobrino de Botin
Madrid, Spain

Sobrino de Botin

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.
40.4142, -3.7079
The aqueduct at night.
Segovia, Spain

Segovia Aqueduct

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'
40.9480, -4.1178
New furniture in the old entrance area.
Rotterdam, Netherlands

Blaak House

Elegant marble and old vaults fill this historic Dutch bank turned office space.
51.9182, 4.4850
Valley of the Fallen
San Lorenzo de El Escorial, Spain

Valley of the Fallen

This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.
40.6419, -4.1553
Portrait of the Four Tetrarchs.
Venice, Italy

Portrait of the Four Tetrarchs

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.
45.4346, 12.3397
The Three Brothers.
Riga, Latvia

The Three Brothers

The oldest housing complex in Riga is a mini timeline of architectural trends.
56.9504, 24.1044
Farmer's market on the bridge.
Monmouth, Wales

Monnow Bridge

The only medieval bridge in Britain with its defensive tower still in tact.
51.8091, -2.7199
The Ice Age Andesite Boulder.
Manchester, England

Ice Age Andesite Boulder

A hunk of prehistoric lava rests amid the Gothic architecture of a campus quad.
53.4658, -2.2346
The gondola on an open day.
Newport, Wales

Newport Transporter Bridge

The largest of only eight working transporter bridges left in the world.
51.5711, -2.9872
London, England

The Soho Square Hut

The Tudor-style cottage in the middle of the square is not quite what it seems.
51.5153, -0.1322
London, England

Earl's Court Police Box

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.
51.4921, -0.1930
The cycle of artists painting over prior pieces begins
London, England

Leake Street Graffiti Tunnel

A hands-off space for graffiti artists to hone and display their skills.
51.5015, -0.1150
The Hardy Tree
London, England

The Hardy Tree

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.
51.5349, -0.1309
Ruined buildings have been stabilized and are now walkable.
Gdańsk, Poland

Ruins at Westerplatte

The site of the first battle of World War II.
54.4067, 18.6670
The underlying River Farset causes the clock tower to tilt.
Belfast, Northern Ireland

River Farset

Belfast's namesake river still winds below the city center, hidden from sight.
54.6015, -5.9238